"The world is full of wonders, if only we take the time to look."

"Sometimes the answer to fear does not lie in trying to explain away the causes, sometimes the answer lies in courage."

"We may be likened to two scorpions in a bottle, each capable of killing the other, but only at the risk of his own life."

"The atomic bomb is a culmination of a hundred years of physics."

"In some sort of crude sense which no vulgarity, no humor, no overstatement can quite extinguish, the physicists have known sin."