One of the first conditions of happiness is that the link between Man and Nature shall not be broken.

I feel not only that I cannot disappear, as nothing disappears in the world, but that I will always be and have always been. I feel that, besides me, above me, spirits live, and that in this world there is truth.

We can know only that we know nothing. And that is the highest degree of human wisdom.

When one's head is gone one doesn't weep for one's hair!

Everything depends on upbringing.

Human science fragments everything in order to understand it, kills everything in order to examine it.

Always the same. Now a spark of hope flashes up, then a sea of despair rages, and always pain; always pain, always despair, and always the same.