A leopard cannot change its spots.
积习难改。
A liar is not believed when he speaks the truth.
说谎者即使讲真话也没人相信。
A light heart lives long.
静以修身。
A little body often harbors a great soul.
浓缩的都是精品。
A little knowledge is a dangerous thing.
一知半解，自欺欺人。
A little pot is soon hot.
狗肚子盛不得四两油。
All are brave when the enemy flies.
敌人逃窜时，人人都成了勇士。
All good things come to an end.
天下没有不散的筵席。
All rivers run into sea.
海纳百川。
A bosom friend afar brings a distant land near.
海内存知己, 天涯若比邻。
Most men's friendships are too inarticulate.
人的友谊是无法言喻的。
Friendship is like a plant of slow growth.
友谊像生长着的植物, 是慢慢地建立起来的。
A good book is the best of friends, the same today and forever.
好书如挚友, 情谊永不渝。
A man knows his companion in a long journey and a little inn.
路遥知马力, 日久见人心。