Friendship requires a steady, constant, and unchangeable character, a person that is uniform in his intimacy.
PlutarchWe ought to regard books as we do sweetmeats, not wholly to aim at the pleasantest, but chiefly to respect the wholesomest; not forbidding either, but approving the latter most.
PlutarchBeing conscious of having done a wicked action leaves stings of remorse behind it, which, like an ulcer in the flesh, makes the mind smart with perpetual wounds; for reason, which chases away all other pains, creates repentance, shames the soul with confusion, and punishes it with torment.
Plutarch