Virtue is defined to be mediocrity, of which either extreme is vice.

An amazing invention - but who would ever want to use one?

Coming in, I was denounced as a fraud by all the extreme men of the opposing party, and as an ingrate and a traitor by the same class of men in my own party. Going out, I have the good will, blessings, and approval of the best people of all parties . . .

Virtue practiced to be seen is not real virtue; vice which fears to be seen is real vice

Virtue by calculation is the virtue of vice

Though ambition in itself is a vice, it often is also the parent of virtue.