The bigotry of the nonbeliever is for me nearly as funny as the bigotry of the believer.

It would seem that men always need some idiotic fiction in the name of which they can hate one another. Once it was religion. Now it is the State.

Matter is spirit reduced to point of visibility.

The creative principle [of science] resides in mathematics.

Private capitalists inevitably control, directly or indirectly, the main sources of information. It is thus extremely difficult, and indeed in most cases quite impossible, for the individual citizen to come to objective conclusions and to make intelligent use of his political rights.

The thinking it took to get us into this mess is not the same thinking that is going to get us out of it.

I want to go when I want. It is tasteless to prolong life artificially. I have done my share, it is time to go. I will do it elegantly.