Honor puts us under an obligation as binding as necessity is for other people.
Never do a thing concerning the rectitude of which you are in doubt.
And as in men's bodies, so in government, that disease is most serious which proceeds from the head.
Everyone is prejudiced in favor of his own powers of discernment.
The highest of characters is his who is as ready to pardon the moral errors of mankind as if he were every day guilty of them himself; and as cautious of committing a fault as if he never forgave one.
He [Pliny the Elder] used to say that 'no book [etc] was so bad but some good might be got out of it'.