All I can do is to urge on you to regard friendship as the greatest thing in the world; for there is nothing which so fits in with our nature, or is so exactly what we want in prosperity or adversity.
All literature, all philosophical treatises, all the voices of antiquity are full of examples for imitation, which would all lie unseen in darkness without the light of literature.
Vicious habits are so great a stain to human nature, and so odious in themselves, that every person actuated by right reason would avoid them, though he were sure they would be always concealed both from God and man, and had no future punishment entailed upon them.