A little knowledge is a dangerous thing. So is a lot.

As the area of light expands, so does the perimeter of darkness.

I am not a genius, I am just curious. I ask many questions. and when the answer is simple, then God is answering.

The contemplation of this world beckoned as a liberation (...)The road to this paradise was not as comfortable and alluring as the road to the religious paradise; but it has shown itself reliable, and I have never regretted having chosen it.

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

[There is] a duty in refusing to cooperate in any undertaking that violates the Constitutional rights of the individual. This holds in particular for all inquisitions that are concerned with the private life and the political affiliations of the citizens.

I think and think for months and years. Ninety-nine times, the conclusion is false. The hundredth time I am right.