89.An evil lesson is soon learned. 恶习易染。

88.No vice goes alone. 恶事不单行。

87.That which is evil is soon learnt. 恶行易学。

86.Of evil grain,no good seed can come. 坏谷无好种。

85.Never be weary of well doing. 不要厌倦做好事。

84.A quiet conscience sleeps in thunder. 问心无愧，打雷也能睡。

83.He who avoids temptation avoids the sin. 不受诱惑就免于罪恶。

82.If they say you are good,ask yourself if it be true. 若有人称赞，自问对不对。

81.We should never remember the benefits we have offered nor forget the favor received. 我有德于人不应记；人有德于我不可忘。

80.He that returns good for evil obtains the victory. 胜利属于以德报怨的人。