Heart and Brain are the two lords of life. In the metaphors of ordinary speech and in the stricter language of science, we use these terms to indicate two central powers, from which all motives radiate, to which all influences converge.

The only cure for grief is action.

Insincerity is always weakness; sincerity even in error is strength.

When a man fails to see the truth of certain generally accepted views, there is no law compelling him to provoke animosity by announcing his dissent.

The discoverer and the poet are inventors; and they are so because their mental vision detects the unapparent, unsuspected facts, almost as vividly as ocular vision rests on the apparent and familiar.

Books have become our dearest companions, yielding exquisite delights and inspiring lofty aims.

Imagination is not the exclusive appanage of artists, but belongs in varying degrees to all men.