Knavery is the best defense against a knave.

Reason speaks and feeling bites

Wickedness frames the engines of her own torment. She is a wonderful artisan of a miserable life.

Nothing is harder to direct than a man in prosperity; nothing more easily managed that one is adversity.

Anger turns the mind out of doors and bolts the entrance.

To do an evil action is base; to do a good action without incurring danger is common enough; but it is the part of a good man to do great and noble deeds, though he risks every thing.

For the correct analogy for the mind is not a vessel that needs filling, but wood that needs igniting.