Carve every word before you let it fall.

Reason may be the lever, but sentiment gives you the fulcrum and the place to stand on if you want to move the world.

Free competition is worth more to society than it costs.

Men, like peaches and pears, grow sweet a little while before they begin to decay.

The only condition of peace in this world is to have no ideas, or, at least not to express them.

No generalization is wholly true—not even this one.

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