Albert Einstein (1879 - 1955)

The most beautiful thing we can experience is the mysterious. It is the source of all art and science.
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.
If the facts don't fit the theory, change the facts.
Example isn't another way to teach, it is the only way to teach.
Human beings, vegetables, or comic dust, we all dance to a mysterious tune, intoned in the distance by an invisible player.
Before God we are all equally wise - and equally foolish.
I am convinced that He (God) does not play dice.
Insanity: doing the same thing over and over again and expecting different results
In order to be an immaculate member of a flock of sheep, one must above all be a sheep oneself.
The secret of creativity is knowing how to hide your sources.
Try not to become a man of success but rather try to become a man of value.
If A equals success, then the formula is: A = X + Y + Z, X is work. Y is play. Z is keep your mouth shut.
Learn from yesterday, live for today, hope for tomorrow. The important thing is to not stop questioning.
Common sense is the collection of prejudices acquired by age eighteen.
If I had my life to live over again, I'd be a plumber.
Put your hand on a hot stove for a minute, and it seems like an hour. Sit with a pretty girl for an hour, and it seems like a minute. THAT'S relativity.
Gravitation cannot be held responsible for people falling in love.
Men marry women with the hope they will never change. Women marry men with the hope they will change. Invariably they are both disappointed.
Nationalism is an infantile disease, the measles of mankind.
I do not know with what weapons World War 3 will be fought, but World War 4 will be fought with sticks and stones.
Heroism on command, senseless violence, and all the loathsome nonsense that goes by the name of patriotism -how passionately I hate them!
A question that sometimes drives me hazy: am I or are the others crazy?
Any intelligent fool can make things bigger and more complex... It takes a touch of genius -- and a lot of courage to move in the opposite direction.
Intellectuals solve problems; geniuses prevent them.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Great spirits have always encountered violent opposition from mediocre minds.
The difference between genius and stupidity is that genius has its limits
Anyone who has never made a mistake has never tried anything new.

Source (or should I hide it? :)): http://www.amusingquotes.com/h/e/Albert_Einstein_1.htm and linked pages (edited by Edward Tsang)