People more easily tolerate opposition than a contradiction

There are very few honest friends--the demand is not particularly great.

Between being able to and actually doing something lies an ocean, and on its bottom rests all too often the wreck of willpower.

Those who cannot remember clearly their own childhood are poor educators.

The mediocre always feel as if they're fighting for their lives when confronted by the excellent.

To accept reason is impossible if you don't already possess it.

Even a stopped clock is right twice every day. After some years, it can boast of a long series of successes.