Albert Einstein

"The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms."

"One should as a rule respect public opinion in so far as is necessary to avoid starvation and to prevent one's being cast in prison."

"The difference between stupidity and genius is that genius has its limits."

"Nature is the source of all true knowledge."

"Solitude is painful when one is young, but delightful when one is old."

"Imagination is more important than knowledge. Knowledge is limited to what we already know and understand, while imagination embraces the entire world and all there ever will be to discover."

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

"The only source of knowledge is experience."

"Creativity is intelligence having fun."

"A person who never made a mistake never tried anything new."

"The important thing is not to stop questioning. Curiosity has its own reason for existing."

"Do not worry about your difficulties in mathematics, I assure you that mine are still greater."

"In the middle of difficulty lies opportunity."

"If you can't explain it simply, you don't understand it well enough."

"The only way to do great work is to love what you do."

"Strive not to be a person of success, but rather to be a person of value."

"Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid."

"The mind is everything. What you think you become."

"Life without playing is just existing."

"Science is a wonderful thing if one does not have to earn one's living at it."

"The intuitive mind is a sacred gift and the rational mind is a faithful servant. We have created a society that honors the servant and has forgotten the gift."

"Reality is merely an illusion, albeit a very persistent one."

"If you want to live a happy life, tie it to a goal, not to people or things."

"It is the supreme art of the teacher to awaken joy in creative expression and knowledge."

"Anyone who has never made a mistake has never tried anything new."

"The only real valuable thing is intuition."

"It is a miracle that curiosity survives formal education."

"Great spirits have always encountered violent opposition from mediocre minds."

"The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing."

"Weakness of attitude becomes weakness of character."