Stupidity often saves a man from going mad.

The young man knows the rules, but the old man knows the exceptions.

A thought is often original, though you have uttered it a hundred times.

A person is always startled when he hears himself seriously called an old man for the first time.

The world is always ready to receive talent with open arms. Very often it does not know what to do with genius.

We can forgive a man the defects of his qualities, if only he has the qualities of his defects