Nothing is so often and so irrevocably missed as the opportunity which crops up daily.

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

That bad manners are so prevalent in the world is the fault of good manners.

The incurable ills are the imaginary ills.

Have patience with the quarrelsomeness of the stupid. It is not easy to comprehend that one does not comprehend.

They understand but a little who understand only what can be explained.

One thought cannot awake without awakening others.