Any belief worth having must survive doubt

If associations to control burglary and murder were tolerated we should take it for granted that the members should all be burglers and murderers.

Think of the fierce energy concentrated in an acorn! You bury it in the ground, and it explodes into an oak! Bury a sheep, and nothing happens but decay.

We learn from experience that men never learn anything from experience.

All progress depends upon the unreasonable person.

I find that socialism is often misunderstood by its least intelligent supporters and opponents to mean simply unrestrained indulgence of our natural propensity to heave bricks at respectable persons.

What really flatters a man is that you think him worth flattering.