崇德文教基金會三重區親德青少年班

A covetous man is good to none but worse to himself. 貪婪的人對別人毫無好處，對自己卻壞處更大。

A crafty knave needs no broker. 狡猾的流氓，不需居間人。

A creaking door hangs long on its hinges. 戶樞不蠹。

Action is the proper fruit of knowledge. 行動是知識的巧果。

Actions speak louder than words. 事實勝於雄辯。

A discontented man knows not where to sit easy. 不滿足者坐無寧時。

A disease known is half cured. 病情確診斷，治病好一半。

Admonish your friends in private, praise them in public. 在私底下要忠告你的朋友，在公開場合又表揚你的朋友。

A dog will not howl if you beat him with a bone. 骨頭打狗狗不叫。

Adversity is a good discipline. 苦難是磨練人的好機會。