孔子有說：三益友，友直 友諒 友多聞！

Confucius has added that good friends should be" straightfoward, upright, and knowledgeable."
(孔子說過,好的朋友必須「友直,友諒,友多聞」

straightforward (adj.)直接的;坦率的
upright (adj.)正直的;誠實的
knowledgeable (adj.)知識廣博的