“Try not to become a man of success but a man of value.”

“We can't solve problems by using the same kind of thinking we used when we created them.”

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

“Imagination is more important than knowledge. For knowledge is limited to all we now know and understand, while imagination embraces the entire world, and all there ever will be to know and understand.”

“Anyone who has never made a mistake has never tried anything new.”

“Nothing truly valuable arises from ambition or from a mere sense of duty; it stems rather from love and devotion towards men and towards objective things.”

“There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.”

“I think and think for months and years, ninety-nine times, the conclusion is false. The hundredth time I am right.”

“Let every man be respected as an individual and no man idolized.”

“Relativity applies to physics, not ethics.”

“The most important human endeavor is striving for morality in our actions. Our inner balance and even our very existence depend on it. Only morality in our actions can give beauty and dignity to our lives.”

“He to whom this emotion is a stranger, who can no longer pause to wonder and stand rapt in awe, is as good as dead: his eyes are closed.”

“Great spirits have always found violent opposition from mediocre minds. The latter cannot understand it when a man does not thoughtlessly submit to hereditary prejudices but honestly and courageously uses his intelligence and fulfills the duty to express the results of his thoughts in clear form.`”

“True religion is real living; living with all one's soul, with all one's goodness and righteousness.”

“Not everything that counts can be counted, and not everything that can be counted counts.”

“Laws alone can not secure freedom of expression; in order that every man present his views without penalty there must be spirit of tolerance in the entire population. ”

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

“You can move through life seeing nothing as a miracle, or seeing everything as a miracle.”

“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. ”

“If you want your children to be intelligent, read them fairy tales. If you want them to be more intelligent, read them more fairy tales.”

“Never give up on what you really want to do. The person with big dreams is more powerful than one with all the facts.”

“People are like bicycles. They can keep their balance only as long as they keep moving.”