... confess now- could you lie with the wife of your friend? could you debauch his sister? could you defraud a poor creditor? could you by gambling rejoice in the outwitting a novice of all his possessions?- No! why then thou art a silly fellow, incumbered with three abominable inmates; to wit- Conscience, Honesty, and Good-nature

(from vol 2, letter 43: 17 Oct 1779, to Mr M___).