It is difficult to say what truth is, but sometimes it is so easy to recognize a falsehood.

I speak to everyone in the same way, whether he is the garbage man or the president of the university.

Hope that justice will be done to those brave men who stood up for their convictions.

The religious geniuses of all ages have been distinguished by this kind of religious feeling, which knows no dogma and no God conceived in man's image; so that there can be no church whose central teachings are based on it. Hence it is precisely among the heretics of every age that we find men who were filled with this highest kind of religious feeling and were in many cases regarded by their contemporaries as atheists, sometimes also as saints. Looked at in this light, men like Democritus, Francis of Assisi, and Spinoza are closely akin to one another.

Politics is a pendulum whose swings between anarchy and tyranny are fueled by perennially rejuvenated illusions.

For the most part, I do the thing which my own nature prompts me to do. It is embarrassing to earn so much respect and love for it.

Curiosity is a delicate little plant that, aside from stimulation, stands mainly in need of freedom.