Reason is immortal, all else mortal. Autore: Pythagoras Copy Quote More from Pythagoras “Friends are as companions on a journey, who ought to aid each other to persever…” “We ought so to behave to one another as to avoid making enemies of our friends,…” “Let no one persuade you by word or deed to do or say whatever is not best for y…” “You should make great things, not promising great things.”