Understanding is always the understanding of a smaller problem in relation to a bigger problem.

It is by overcoming obstacles that man develops those qualities he needs.

Possibly the most interesting first impression of my life came from the world of dreams.

Everything we do consciously remains for us.

The most difficult thing is to know what we do know, and what we do not know.

I felt that on a basis of a "search for the miraculous" it would be possible to unite together a very large number of people who were no longer able to swallow the customary forms of lying and living in lying.

I have become so accustomed to think "scientifically" that I am afraid even to imagine that there may be something else beyond the outer covering of life. I feel like a man condemned to death, whose companions have been hanged and who has already become reconciled to the thought that the same fate awaits him.