If I had means, I would like to spend half a year in Palestine in order to contemplate what has been, and half a year in Poland in order to preserve what remains.

You will go on blundering, for only he who does nothing avoids errors.

When does the loneliness of old age begin?

Don't try to become a teacher overnight with psychological bookkeeping in your heart and educational theory in your head.

Children, being small and weak, have little market value.

I am a butterfly drunk with life. I don't know where to soar, but I won't allow life to clip my beautiful wings.

A hundred children, a hundred individuals who are people--not people-to-be, not people of tomorrow, but people now, right now--today.