Common to all these types is the anthropomorphic character of their conception of God. In general, only individuals of exceptional endowments, and exceptionally high-minded communities, rise to any considerable extent above this level. But there is a third stage of religious experience which belongs to all of them, even though it is rarely found in a pure form: I shall call it cosmic religious feeling. It is very difficult to elucidate this feeling to anyone who is entirely without it, especially as there is no anthropomorphic conception of God corresponding to it.

If you have never failed, you have never tried anything new.

The most important question a person can ask is, "Is the Universe a friendly place?

I have never obtained any ethical values from my scientific work.

A finely tempered nature longs to escape from the personal life into the world of objective perception and thought.

Past is dead Future is uncertain; Present is all you have, So eat, drink and live merry.

Curiosity is its own reason.