Even for practical purposes theory generally turns out the most important thing in the end.

But when men have realized that time has upset many fighting faiths, they may come to believe...that the best test of truth is the power of the thought to get itself accepted in the competition of the market... That at any rate is the theory of our constitution.

Beware of making your moral staple consist of the negative virtues.

It takes me several days, after I get back to Boston, to realize that the reference "the president" refers to the president of Harvard and not to a minor official in Washington.

To think great thoughts you must be heroes as well as idealists.

Under bad manners, as under graver faults, lies very commonly an overestimate of our special individuality, as distinguished from our generic humanity.

Lawyers spend their professional careers shoveling smoke.