In stirring up tumult and strife, the worst men can do the most, but peace and quiet cannot be established without virtue. — Cornelius Tacitus. Roman historian and senator (56–120)
He had a certain frankness and generosity, qualities indeed which turn to a man's ruin, unless tempered with discretion.
It is found by experience that admirable laws and right precedents among the good have their origin in the misdeeds of others.