Ignorance is not, not knowing something. It is knowing what isn't so.

In my age, as in my youth, night brings me many a deep remorse. I realize that from the cradle up I have been like the rest of the race - never quite sane in the night.

It is curious that physical courage should be so common in the world and moral courage so rare.

The cigar-box which the European calls a 'lift' needs but to be compared with our elevators to be appreciated. The lift stops to reflect between floors. That is all right in a hearse, but not in elevators. The American elevator acts like a man's patent purge-it works.

When the human race has once acquired a superstition, nothing short of death is ever likely to remove it.

The master minds of all nations, in all ages, have sprung in affluent multitude from the mass of the nations, and from the mass of the nation only-not from its privileged classes.

There is not a single human characteristic that can be safely labeled as American.