Hell itself must yield to industry.
He who is taught only by himself has a fool for a master.
Very few men are wise by their own council, or learned by their own teaching. For he that was only taught by himself, had a fool for a master.
Mischiefs feed / Like beasts, till they be fat, and then they bleed.
A good dog deserves a good bone.
It holds for good polity ever, to have that outwardly in vilest estimation, which inwardly is most dear to us.