All quotes by Albert Einstein
"If we knew what it was we were doing, it would not be called research, would it?"
"The must incomprehensible thing about the universe is that it is comprehensible."
"Anyone who has never made a mistake has never tried anything new."
"Try not to become a man of success but rather try to become a man of value."
"Gravitation can not be held responsible for people falling in love."
"You do not really understand something unless you can explain it to your grandmother."
"The wireless telegraph is not difficult to understand. The ordinary telegraph is like a very long cat. You pull the tail in New York, and it meows in Los Angeles. The wireless is the same, only without the cat."
"When asked how World War III would be fought, Einstein replied that he didn't know. But he knew how World War IV would be fought: With sticks and stones!"
"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."
"Sometimes one pays most for the things one gets for nothing."
"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe."