In matters of religion and matrimony I never give advice, because I will not have anybody's torments in this world or the next laid to my charge. - Philip Dormer Stanhope

There is nothing that people bear more impatiently or forgive less, than contempt: and an injury is much sooner forgotten than an insult.

Common sense is the best sense I know of

Remember, then, as long as you live, that nothing but strict truth can carry you through the world, with either your conscience or your honor unwounded. It is not only your duty, but your interest; as proof of which you may always observe, that the greatest fools are the greatest liars. For my own part, I judge of every man's truth by his degree of understanding.
Remember that I shall see you in the summer; shall examine you most narrowly; and will never forget nor forgive those faults, which it has been in your own power to prevent or cure;