“A true genius admits that he/she knows nothing.”

“Weakness of attitude becomes weakness of character.”

“Look deep into nature, and then you will understand everything better.”

“What a sad era when it is easier to smash an atom than a prejudice.”

“I never think of the future - it comes soon enough.”

“The only thing that you absolutely have to know, is the location of the library.”

“Imagination is the highest form of research.”

“I live in that solitude which is painful in youth, but delicious in the years of maturity.”

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

“I'd rather be an optimist and a fool than a pessimist and right.”

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

“Nothing happens until something moves.”

“Once we accept our limits, we go beyond them.”

“I never made one of my discoveries through the process of rational thinking”

“I must be willing to give up what I am in order to become what I will be.”

“It would be possible to describe everything scientifically, but it would make no sense; it would be without meaning, as if you described a Beethoven symphony as a variation of wave pressure.”

“We dance for laughter, we dance for tears, we dance for madness, we dance for fears, we dance for hopes, we dance for screams, we are the dancers, we create the dreams.”

“In the middle of difficulty lies opportunity”

“When you trip over love, it is easy to get up. But when you fall in love, it is impossible to stand again.”

“What is right is not always popular and what is popular is not always right.”

“The best way to cheer yourself is to cheer somebody else up.”

“If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut”

“Creativity is intelligence having fun.”

“The measure of intelligence is the ability to change.”

“You never fail until you stop trying.”

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

“If we knew what it was we were doing, it would not be called research, would it?”

“Science without religion is lame, religion without science is blind.”

“Any fool can know. The point is to understand.”

“When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.”

“Never memorize something that you can look up.”

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

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

“Logic will get you from A to Z; imagination will get you everywhere.”

“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.”

“If you can't explain it to a six year old, you don't understand it yourself.”

“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.”

“Excellence is doing a common thing in an uncommon way.”

“The idle man does not know what it is to enjoy rest.”

“Older men start wars, but younger men fight them.”

“The environment is everything that isn't me.”

“I speak to everyone in the same way, whether he is the garbage man or the president of the university.”

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”

“Great spirits have always encountered violent opposition from mediocre minds.”

“Only those who attempt the absurd can achieve the impossible.”

“I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.”

“Try to be happy at every step rather than waiting for your goal, because that will be ever lasting and not dependent on the output.”

“In order to attain the impossible, one must attempt the absurd.”

“No one lights a lamp in order to hide it behind the door: the purpose of light is to create more light, to open people's eyes, to reveal the marvels around.”

“This new day has greeted us with no rules; unconditional opportunity. Do not dilute the power of this new day with the hardship of yesterday. Greet this day the way it has greeted you; with open arms and endless possibility.”