It [love] is a disease to be born with patience, like any nervous complaint, and to be treated with counter-irritants.

I firmly believe, that before many centuries more, science will be the master of man. The engines he will have invented will be beyond his strength to control. Someday, science shall have the existence of mankind in its power, and the human race commit suicide by blowing up the world.

No historian can take part with--or against--the forces he has to study. To him even the extinction of the human race should merely be a fact to be grouped with other vital statistics.

Simplicity is the most deceitful mistress that ever betrayed man.

They know enough who know how to learn.

Artists... disappeared long ago as social forces. So did the church.

You can't use tact with a Congressman! A Congressman is a hog! You must take a stick and hit him on the snout!