Something deeply hidden had to be behind things.

One must not attempt to justify them, but rather to sense their nature simply and clearly.

I am enough of an artist to draw freely upon my imagination.

Let every man judge according to his own standards, by what he has himself read, not by what others tell him.

When forced to summarize the general theory of relativity in one sentence: Time and space and gravitation have no separate existence from matter.

The consequence was a positively fanatic [orgy of] freethinking coupled with the impression that youth is being deceived by the state through lies; it was a crushing impression

If I would follow your advice and Jesus could perceive it, he, as a Jewish teacher, surely would not approve of such behavior.