I have repeatedly said that in my opinion the idea of a personal God is a childlike one.

The distinction between the past, present and future is only a stubbornly persistent illusion.

I have no special talent. I am only passionately curious.

The significant problems we have cannot be solved at the same level of thinking with which we created them.

Each makes this cosmos and its construction the pivot of his emotional life, in order to find in this way peace and security which he can not find in the narrow whirlpool of personal experience.

Money only appeals to selfishness and always tempts its owners irresistibly to abuse it. Can anyone imagine Moses, Jesus, or Gandhi armed with the money-bags of Carnegie?

From the standpoint of daily life, however, there is one thing we do know: that we are here for the sake of each other.