The more success the quantum theory has, the sillier it looks

If [quantum theory] is correct, it signifies the end of physics as a science.

It is certainly true that principles cannot be more securely founded than on experience and consciously clear thinking.

Jesus is too colossal for the pen of phrasemongers, however artful. No man can dispose of Christianity with a bon mot

Nothing happens til something moves.

What physics looks for: The simplest possible system of thought which will bind together the observed facts.

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.