It is not at all incredible, that a book which has been so long in the possession of mankind should contain many truths as yet undiscovered.

Self-love then does not constitute THIS or THAT to be our interest or good; but, our interest or good being constituted by nature and supposed, self-love only puts us upon obtaining and securing it.

Compassion is a call, a demand of nature, to relieve the unhappy as hunger is a natural call for food

People habituate themselves to let things pass through their minds, as one may speak, rather than to think of them. Thus by use they become satisfied merely with seeing what is said, without going any further. Review and attention, and even forming a judgment, becomes fatigue; and to lay anything before them that requires it, is putting them quite out of their way.

Pain and sorrow and misery have a right to our assistance: compassion puts us in mind of the debt, and that we owe it to ourselves as well as to the distressed.

The only distinct meaning of the word "natural" is stated, fixed, or settled; since what is natural as much requires and presupposes an intelligent agent to render it so, i.e. to effect it continually or at stated times, as what is supernatural or miraculous does to effect it for once.

Every thing is what it is, and not another thing.