《三国演义》中有这么一个细节,蜀主刘备因兵败猇亭,退居白帝,忧伤成疾,卧床不起。临终前,为了江山社稷之计,写下了一道遗诏,其中有这样两句话:“勉之!勉之!勿以恶小而为之,勿以善小而不为。” “Romance of the Three Kingdoms” There is such a detail, the main Liu Bei defeat due to defeat Ting, retreat Baidi, sad illness, bedridden. Before his death, in order to account for the country of the rivers and mountains, wrote a leftist, which has such two sentences: “Mianzhi! Mianzhi! Do not evil small and not, not good small but not.”