Every year the inventions of science weave more inextricably the web that binds man to man, group to group, nation to nation.

We ask the leaf, "Are you complete in yourself?" And the leaf answers, "No, my life is in the branches." We ask the branch, and the branch answers, "No my life is in the root." We ask the root, and it answers, "No my life is in the trunk and the branches and the leaves. Keep the branches stripped of leaves, and I shall die," So it is with the great tree of being. Nothing is completely and merely individual.

The most extraordinary thing about the oyster is this. Irritations set into his shell. He does not like them. But when he cannot get ride of them, he uses the irritation to do the loveliest thing an oyster ever has a chance to do. If there are irritations in our lives today, there is only one prescription: make a pearl. It may have to be a pearl of patience, but anyhow, make a pearl. And it takes faith and I love to do it.

I hate war for its consequences, for the lies it lives on and propagates, for the undying hatreds it arouses.

He who knows no hardships will know no hardihood. He who faces no calamity will need no courage. Mysterious though it is, the characteristics in human nature which we love best grow in a soil with a strong mixture of troubles.

No man need stay the way he is.

Some things mankind can finish and be done with, but not ... science, that persists, and changes from ancient Chaldeans studying the stars to a new telescope with a 200-inch reflector and beyond; not religion, that persists, and changes from old credulities and world views to new thoughts of God and larger apprehensions of his meaning.