If the egotist is weak, his egotism is worthless. If the egotist is strong, acute, full of distinctive character, his egotism is precious, and remains a possession of the race.

A single soul is richer than all the worlds.

To sit for one's portrait is like being present at one's own creation.

The globe has been circumnavigated, but no man ever yet has; you may survey a kingdom and note the result in maps, but all the savants in the world could not produce a reliable map of the poorest human personality.

There is no ghost so difficult to lay as the ghost of an injury.

I go into my library and all history unrolls before me.

We are never happy; we can only remember that we were so once.