Einstein, Albert

"Few are those who see with their own eyes and feel with their own hearts."

"The goal of science is, insofar as possible, to substitute facts for appearances, and demonstrations for impressions."

"You never fail until you stop trying."

"The person who reads lives a thousand lives before he dies."

"Hell, I never went to school."

"Blind belief in authority is the enemy of truth."

"The eternal mystery of the world is its comprehensibility."

"Understanding the mechanism of nature is the sole basis for belief in the existence of God."

"It is absolutely impossible to imagine the beginning of life on earth."

"The most incomprehensible thing is that the world is comprehensible."

"To imagine yourself with wisdom is to limit yourself."

"Time is an illusion, lunch time doubly so."

"Do not worry about your problems with math; I assure you that mine are far greater."

"Insanity is repeating the same mistakes and expecting different results."

"The only constant in life is change."

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

"The word 'belief' is a difficult thing for me. I do not believe. I must have knowledge."

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

"Nature uses only the longest threads to weave her patterns."

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

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

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

"The only source of knowledge is experience."

"Imagination is more important than knowledge. Knowledge is limited."

"Life is what happens when you're busy making other plans."

"In the middle of difficulty lies opportunity."

"The true sign of intelligence is not knowledge but imagination."

"Try not to become a person of success, but rather try to become a person of value."

"The only way to deal with an unfree world is to become so absolutely free that very existence is an act of rebellion."

"If you cannot explain it simply, you do not understand it well enough."