The devils enter uninvited when the house stands empty. For other kinds of guests, you have to first open the door.

Maturity - among other things, the unclouded happiness of the child at play, who takes it for granted that he is at one with his play-mates.

In the last analysis, it is our conception of death which decides our answers to all the questions that life puts to us.

Each morning we must hold out the chalice of our being to receive, to carry, and give back. It must be held out empty - for the past must only be reflected in its polish, its shape, its capacity.

When the sense of the earth unites with the sense of one's body, one becomes earth of the earth, a plant among plants, an animal born from the soil and fertilizing it. In this union, the body is confirmed in its pantheism.

'Freedom from fear' could be said to sum up the whole philosophy of human rights.

Constant attention by a good nurse may be just as important as a major operation by a surgeon.