Mathematics is an obscure field, an abstruse science, complicated and exact; yet so many have attained perfection in it that we might conclude almost anyone who seriously applied himself would achieve a measure of success.

Wisdom often exists under a shabby coat.

There are gems of thought that are ageless and eternal.

Care must be taken that the punishment does not exceed the offence.

I am not ashamed to confess that I am ignorant of what I do not know.

All I can do is to urge on you to regard friendship as the greatest thing in the world; for there is nothing which so fits in with our nature, or is so exactly what we want in prosperity or adversity.

There is nothing more shocking than to see assertion and approval dashing ahead of cognition and perception.