英文: Thy friend has a friend and thy friend's friend has a friend so be discreet.
中文: 你的朋友有朋友,朋友的朋友又有朋友,所以要谨慎小心。英文: A friend is a friend forever.
中文: 真正的朋友是永远的朋友。英文: A table friend is a variable friend.
中文: 酒朋饭友难得长久。英文: Plato is my friend — Aristotle is my friend — but my greatest friend is truth.
中文: 柏拉图是我的朋友—亚里士多德是我的朋友—但我最伟大的朋友是真理。英文: A friend in need is a friend indeed.
中文: 患难之交才是真朋友。