Duty is the necessity to act out of reverence for the law.
Man must be disciplined, for he is by nature raw and wild.
Humanity is at its greatest perfection in the race of the whites.
Act only according to that maxim whereby you can at the same time will that it should become a universal law.
Even a man's exact imitation of the song of the nightingale displeases us when we discover that it is a mimicry, and not the nightingale.
Physicians think they do a lot for a patient when they give his disease a name.