It is not so important where one settles down. The best thing is to follow your instincts without too much reflection.

Our death is not an end if we can live on in our children and the younger generation. For they are us; our bodies are only wilted leaves on the tree of life.

It was the experience of mystery - even if mixed with fear - that engendered religion.

I live in that solitude which is painful in youth, but delicious in the years of maturity.

All religions, arts and sciences are branches of the same tree. All these aspirations are directed toward ennobling man's life, lifting it from the sphere of mere physical existence and leading the individual towards freedom.

Most of the fundamental ideas of science are essentially simple, and may, as a rule, be expressed in a language comprehensible to everyone.

I never commit to memory anything that can easily be looked up in a book