To be master of any branch of knowledge, you must master those which lie next to it, and thus to know anything you must know all.

Lord, bid war's trumpet cease; Fold the whole earth in peace.

Systems die; instincts remain.

A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.

There is nothing like the dead cold hand of the past to take down our tumid egotism and lead us into the solemn flow of the life of our race.

The only prize much cared for by the powerful is power. The prize of the general is not a bigger tent, but command.

I despise making the most of one's time. Half of the pleasures of life consist of the opportunities one has neglected.