Wooden slide rules

Actually it was already 1100 B.C. when wooden slide rules and aids such as the abacus were invented in various cultures and improved over the centuries.

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“I’m not going to continue knocking that old door that doesn’t open for me. I’m going to create my own door and walk through that.”

Ava DuVernay

“No need to hurry. No need to sparkle. No need to be anybody but oneself.”

Virginia Woolf

“The future belongs to those who prepare for it today.”

Malcolm X

“Don’t take yourself too seriously. Know when to laugh at yourself, and find a way to laugh at obstacles that inevitably present themselves.”

Halle Bailey

“Tomorrow is a new day. You shall begin it serenely and with too high a spirit to be encumbered with your old nonsense.”

Ralph Waldo Emerson

“The future is not something we enter. The future is something we create.”

Leonard I. Sweet

“Yesterday is but today’s memory and tomorrow is today’s dream.”

Khalil Gibran

“For me, becoming isn’t about arriving somewhere or achieving a certain aim. I see it instead as forward motion, a means of evolving, a way to reach continuously toward a better self. The journey doesn’t end.”

Michelle Obama

“Some people want it to happen, some wish it would happen, others make it happen.”

Michael Jordan

“Keep smiling, because life is a beautiful thing and there’s so much to smile about.”

Marilyn Monroe

“The future belongs to those who believe in the beauty of their dreams.”

Eleanor Roosevelt

“Be where you are; otherwise you will miss your life.”

Buddha

“It does not matter how slowly you go, as long as you do not stop.”

Confucius

“Everything you can imagine is real.”

Pablo Picasso

“The only thing we have to fear is fear itself.”

Franklin D. Roosevelt

“You may not control all the events that happen to you, but you can decide not to be reduced by them.”

Maya Angelou

“The new dawn blooms as we free it. For there is always light if only we’re brave enough to see it, if only we’re brave enough to be it.”

Amanda Gorman

“The great courageous act that we must all do is to have the courage to step out of our history and past so that we can live our dreams.”

Oprah Winfrey

“When I let go of what I am, I become what I might be.”

Lao Tzu

“Before anything else, preparation is the key to success.”

Alexander Graham Bell

“Ambition is the path to success. Persistence is the vehicle you arrive in.”

Bill Bradley

“You can’t help what you feel, but you can help how you behave.”

Margaret Atwood

“Next time, ask ‘What’s the worst that will happen?’ Then push yourself a little further than you dare.”

Audre Lorde

“We must let go of the life we have planned, so as to accept the one that is waiting for us.”

Joseph Campbell

“I’m not going to continue knocking on that old door that doesn’t open for me. I’m going to create my own door and walk through that.”

W.P. Kinsella

“Spread love everywhere you go. Let no one ever come without leaving happier.”

Mother Teresa

“Dreaming, after all, is a form of planning.”

Gloria Steinem

“Success is stumbling from failure to failure with no loss of enthusiasm.”

Winston Churchill

“We are here to add what we can to life, not to get what we can from life.”

William Osler

“I may not have gone where I intended to go, but I think I have ended up where I needed to be.”

Douglas Adams

“One of the deep secrets of life is that all that is really worth doing is what we do for others.”

Lewis Carroll

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Robert Frost

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Dolly Parton

“Don’t judge each day by the harvest you reap but by the seeds that you plant.”

Robert Louis Stevenson

“Just when you think it can’t get any worse, it can. And just when you think it can’t get any better, it can.”

Nicholas Sparks

“Coming together is a beginning; keeping together is progress; working together is success.”

Henry Ford

“It’s amazing how a little tomorrow can make up for a whole lot of yesterday.”

John Guare

“Life isn’t about finding yourself. Life is about creating yourself.”

George Bernard Shaw

“To succeed in life, you need three things: a wishbone, a backbone, and a funnybone.”

Reba McEntire

“If you don’t have any shadows, you’re not in the light.”

Lady Gaga

“Do one thing every day that scares you.”

Eleanor Roosevelt

“It is never too late to be what you might have been.”

George Elliot

“If you live long enough, you’ll make mistakes. But if you learn from them, you’ll be a better person.”

Bill Clinton

“The simple things are also the most extraordinary things, and only the wise can see them.”

Paulo Coelho

“You only live once, but if you do it right, once is enough.”

Mae West

“Keep your face towards the sunshine and shadows will fall behind you.”

Walt Whitman

“Once you face your fear, nothing is ever as hard as you think.”

Olivia Newton-John

“Let us make our future now, and let us make our dreams tomorrow’s reality.”

Malala Yousafzai

“You have to believe in yourself when no one else does.”

Serena Williams

“There’s love enough in this world for everybody, if people will just look.”

Kurt Vonnegut

“Living might mean taking chances, but they’re worth taking.”

Lee Ann Womack

“You will face many defeats in life, but never let yourself be defeated.”

Maya Angelou

“We have to dare to be ourselves, however frightening or strange that self may prove to be.”

May Sarton

“Life has no limitations, except the ones you make.”

Les Brown

“The biggest adventure you can take is to live the life of your dreams.”

Oprah Winfrey

“There are so many great things in life; why dwell on negativity?”

Zendaya

“Life is like riding a bicycle. To keep your balance, you must keep moving.”

Albert Einstein

“If you don’t like the road you’re walking, start paving another one.”

Dolly Parton

“Dream big and dare to fail.”

Norman Vaughan

You cannot change what you refuse to confront.

“Be sure you put your feet in the right place, then stand firm.”

Abraham Lincoln

“It is better to be hated for what you are than to be loved for what you are not.”

Andre Gide

“Never let the fear of striking out keep you from playing the game.”

Babe Ruth

“Dreams do not come true just because you dream them. It’s hard work that makes things happen. It’s hard work that creates change.”

Shonda Rhimes

“There is no passion to be found playing small—in settling for a life that is less than the one you are capable of living.”

Nelson Mandela

“You can be everything. You can be the infinite amount of things that people are.”

Kesha

“The world you desire can be won. It exists... it is real... it is possible... it’s yours.”

Ayn Rand

“For the great doesn’t happen through impulse alone, and is a succession of little things that are brought together.”

Vincent Van Gogh

“Live in the sunshine, swim the sea, drink the wild air.”

Ralph Waldo Emerson

“Life is very interesting…in the end, some of your greatest pains become your greatest strengths.”

Drew Barrymore

“I believe that if you’ll just stand up and go, life will open up for you. Something just motivates you to keep moving.”

Tina Turner

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Margaret Mead

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John Lennon

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Carol Burnett

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Herman Melville

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Winston Churchill

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Drew Houston

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Mark Twain

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Helen Keller

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Margaret Fuller

“Always do your best. What you plant now, you will harvest later.”

Og Mandino

“The purpose of life is to live it, to taste experience to the utmost, to reach out eagerly and without fear for newer and richer experience.”

Eleanor Roosevelt

“Be yourself; everyone else is already taken.”

Oscar Wilde

“All dreams are within reach. All you have to do is keep moving towards them.”

Viola Davis

“Get busy living or get busy dying.”

Stephen King

“Life is made of ever so many partings welded together.”

Charles Dickens

“Always go with your passions. Never ask yourself if it’s realistic or not.”

Deepak Chopra

“Failure is a great teacher and, if you are open to it, every mistake has a lesson to offer.”

Oprah Winfrey

“Good friends, good books, and a sleepy conscience: This is the ideal life.”

Mark Twain

“Nothing is impossible. The word itself says ‘I’m possible!’”

Audrey Hepburn

“We pass through this world but once.”

Stephen Jay Gould

“And when you want something, all the universe conspires in helping you achieve it.”

Paulo Coelho

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Mandy Hale

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Annette Funicello

“The art of life is to know how to enjoy a little and to endure very much.”

William Hazlitt

“Be persistent and never give up hope.”

George Lucas

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Aristotle

“My wish for you is that you continue. Continue to be who you are, to astonish a mean world with your acts of kindness.”

Maya Angelou

“There is no perfection, only life.”

Milan Kundera

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