.. the voice of nature and experience seems plainly to oppose the selfish theory.
It is still open for me, as well as you, to regulate my behavior, by my experience of past events.
The end of all moral speculations is to teach us our duty; and, by proper representations of the deformity of vice and beauty of virtue, beget correspondent habits, and engage us to avoid the one, and embrace the other.
The rules of morality are not the conclusion of our reason.