Nothing in progression can rest on its original plan. We may as well think of rocking a grown man in the cradle of an infant.

The method of teaching which approaches most nearly to the method of investigation is incomparably the best.

Prudence is a quality incompatible with vice, and can never be effectively enlisted in its cause.

Guilt was never a rational thing; it distorts all the faculties of the human mind, it perverts them, it leaves a man no longer in the free use of his reason, it puts him into confusion.

Nothing is so rash as fear; and the counsels of pusillanimity very rarely put off, whilst they are always sure to aggravate, the evils from which they would fly.

All men have equal rights, but not to equal things.

All virtue which is impracticable is spurious.