Nothing Endures Except Truth.

Men Crowd Into Honorable Careers Without Other Vocation Than Their Vanity, Or At Best Their Love Of Fame.

The Greatest Achievement Of The Human Spirit Is To Live Up To One's Opportunities And Make The Most Of One's Resources.

Clearness Is The Ornament Of Deep Thought.

Obscurity Is The Kingdom Of Error.

It Cannot Be A Vice In Men To Be Sensible Of Their Strength.