Speak clearly, if you speak at all; carve every word before you let it fall.

I like children; I like 'em, and I respect 'em. Pretty much all the honest truth-telling there is in the world is done by them.

There is no friend like an old friend who has shared our morning days, no greeting like his welcome, no homage like his praise.

Memories, imagination, old sentiments, and associations are more readily reached through the sense of smell than through any other channel.

Civilization is the process of reducing the infinite to the finite.

Don't be 'consistent,' but be simply true.

[Science is] piecemeal revelation.