Such prosperity as we have known it up to the present is the consequence of rapidly spending the planet's irreplaceable capital.

I don't think there is any incompatibility between science and mysticism . . . Immanent religion is the only form of religion in which there is no conflict at all, that I can see, between science and religion.

God isn't the son of Memory; He's the son of Immediate Experience. You can't worship a spirit in spirit, unless you do it now. Wallowing in the past may be good literature. As wisdom, it's hopeless. Time Regained is Paradise Lost, and Time Lost is Paradise Regained. Let the dead bury their dead. If you want to live at every moment as it presents itself, you've got to die to every other moment.

Individual insanity is immune to the consequences of collective insanity

My fate cannot be mastered; it can only be collaborated with and thereby, to some extent, directed. Nor am I the captain of my soul; I am only its noisiest passenger.

If one is not oneself a sage or saint, the best thing one can do is to study the words of those who were.

What is absurd and monstrous about war is that men who have no personal quarrel should be trained to murder one another in cold blood.