It is the peculiar quality of a fool to perceive the faults of others and to forget his own.

A careful physician . . . before he attempts to administer a remedy to his patient, must investigate not only the malady of the man he wishes to cure, but also his habits when in health, and his physical constitution.

Oh, how great is the power of truth! which of its own power can easily defend itself against all the ingenuity and cunning and wisdom of men, and against the treacherous plots of all the world.

The whole glory of virtue resides in activity.

History is the teacher of life

The contemplation of celestial things will make a man both speak and think more sublimely and magnificently when he descends to human affairs.

Robbing life of friendship is like robbing the world of the sun.