Virtue debases itself in justifying itself.

Love means to love that which is unloveable. Otherwise it is no virtue at all.

The inherent vice of capitalism is the unequal sharing of blessings; the inherent virtue of socialism is the equal sharing of miseries.

Humility is a virtue all preach, none practice; and yet everybody is content to hear.

Virtue is a state of war, and to live in it we have always to combat with ourselves.

Moral virtue is the child of habit.