poems/phrases/quotes/sayings/idioms/stories/allegories: evil vs. good
to contrast the good &amp; evil, i would suggest the pairs of "君子" vs "小人" &amp; "善" vs "惡".

論語﹒述而

君子坦蕩蕩﹒小人長戚戚


莊子﹒山木

君子之交淡若水﹒小人之交甘若醴


國語﹒周語下

從善如登﹒從惡如崩


公羊傳﹒昭公二十年

君子之善善也長﹒惡惡也短﹒惡惡止其身﹒善善及子孫