Hope arouses, as nothing else can arouse, a passion for the possible.

When a man is drowning, it may be better for him to try to swim than to thrash around waiting for divine intervention.

Without love, violence will change the world; it will change it into a more violent one.

Patriotism at the expense of another nation is as wicked as racism at the expense of another race. . . Let us resolve to be patriots always, nationalists never. Let us love our country, but pledge allegiance to the earth and to the flora and fauna and human life that it supports - one planet indivisible, with clean air,... soil and water; with liberty, justice and peace for all.

Diversity may be the hardest thing for a society to live with, and perhaps the most dangerous thing for a society to be without.

The cause of violence is not ignorance. It is self-interest. Only reverance can restrain violence - reverance for human life and the environment.

Socrates had it wrong; it is not the unexamined but finally the uncommitted life that is not worth living.