Serious illness doesn't bother me for long because I am too inhospitable a host.

Impart as much as you can of your spiritual being to those who are on the road with you, and accept as something precious what comes back to you from them.

Who shall enumerate the many ways in which that costly piece of fixed capital, a human being , may be employed! More of him is wanted everywhere! Hunt, then, for some situation in which your humanity may be used.

Joy, sorrow, tears, lamentation, laughter -- to all these music gives voice, but in such a way that we are transported from the world of unrest to a world of peace, and see reality in a new way, as if we were sitting by a mountain lake and contemplating hills and woods and clouds in the tranquil and fathomless water.

Man has lost the capacity to foresee and to forestall. He will end by destroying the earth.

If there is anything I have learned about men and women, it is that there is a deeper spirit of altruism than is ever evident. Just as the rivers we see are minor compared to the underground streams, so, too, the idealism that is visible is minor compared to what people carry in their hearts unreleased or scarcely released.

Nature compels us to recognize the fact of mutual dependence, each life necessarily helping the other lives who are linked to it. In the very fibers of our being, we bear within ourselves the fact of the solidarity of life.