Admonish your friends privately, but praise them openly. 告誡朋友要在私下里，但是夸獎朋友要公開。

Animals are such agreeable friends --they ask no questions, they pass no criticism. ---George Eliot, British novelist 動物是極易相處的朋友，它們不提問，也不批評。 ---英國小說家 艾略特?

Be slow in choosing a friend, slower in changing.---Benjamin Franklin, American pesident 選擇朋友要謹慎，換朋友更要謹慎。 ---美國總統(tǒng) 富蘭克林

Be slow in choosing a friend; slower in changing. 選擇朋友要審慎，摒棄更要審又慎。

Because friendships enhance our lives,it is important to cultivate them. 培植友誼十分重要，因為友誼能提高生活的價值。

A friend is easier lost than found 得朋友難，失朋友易。

A faithful friend is hard to find.知音難覓。

A friend is never known till a man has need 需要之時方知友。

A friend without faults will never be found 沒有十全十美的朋友。

A joke never gains an enemy but loses a friend 戲謔不能化敵為友，只能使人失去朋友。

Between friends all is common 朋友之間不分彼此。