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

Check out not to become a man or woman of achievement, but instead seek to become a particular person of price.

I don't believe in mathematics.

Every one who is seriously involved in the pursuit of science becomes convinced that a spirit is manifest in the laws of the Universe-a spirit vastly superior to that of man, and one in the face of which we with our modest powers must feel humble.

E=mc2. Energy equals mass times the speed of light squared

What separates me from most so-called atheists is a feeling of utter humility toward the unattainable secrets of the harmony of the cosmos.

In every true searcher of Nature there is a kind of religious reverence, for he finds it impossible to imagine that he is the first to have thought out the exceedingly delicate threads that connect his perceptions