A deal friend tells you what you want to hear when they’ve nothing to offer but gain from the fake friendship.
A real friend tells you the truth for your sake, even when it’s uncomfortable, inconvenient, or awkward.
True friendship is when someone advises you to do what is best for your life, even if it means losing them or causing them inconvenience, because your well-being matters more to them than their own comfort. — Frequently attributed to interpretations of Aristotelian ethics
泛泛之交只是享受你的陪伴;酒肉朋友只会在一切顺利时奉承你;真正的朋友把你的最佳利益放在心上,并且有勇气告诉你那些你需要听、却未必想听的话。
良药苦口利于病,忠言逆耳利于行
The language of friendship is not words but meanings. [...] A friend is someone who thinks of you when you are thinking of yourself, and who will tell you the truth even when it hurts, because they care more about your character than your affection." — Adapted from Henry David Thoreau / Classical Essayists
“An acquaintance merely enjoys your company, a fair-weather companion flatters when all is well; a true friend has your best interests at heart and the pluck to tell you what you need to hear.”
— E.A. Bucchianeri
A true friend is someone who is there for you when he'd rather be anywhere else.
“A true friend tells you what you need to hear, not what you want to hear.”
“The best friend is the man who in wishing me well wishes it for my sake.”
— Aristotle
“Piety requires us to honor truth above our friends.”
— Aristotle
A true friend is one who, upon seeing a fault, gives you advice and who defends you in your absence.”
A true friend is someone who is there for you when he'd rather be anywhere else.”
— Len Wein