“登山不以艰险而止,则必臻乎峻岭矣。”古往今来成大事者,英勇果敢是必备的品质。然而,勇敢有时不是没有成为败事之端的可能。《三国演义》中的袁绍,可谓勇敢的反面典型。阉党祸乱朝纲,他力主诛杀宦官,董卓擅权营私,他统领十八路诸侯讨伐。然而,他举大业的雄心,远不如割据一方的贪心强烈。吞并了“冀青幽并”四州还不够,又同曹操争霸中原,最终失败覆亡。曹操评价他:“干大事而惜 ”Mountaineering is not hard and fast, it will be Zhen Jun Ling carry on.“ ”Since ancient times into major events, heroic courage is essential quality. However, sometimes braveness is not a possibility of not being the end of defeat. Yuan Shao in the Romance of the Three Kingdoms can be described as a brave negative model. Eunuchs disastrous Gang, he forcefully kill the eunuchs, Dong Zhuo good at camping private, he commanded eighteenth Lu Du crusade. However, his ambition for great cause is far less than the greediness of the separatist party. Annexation of the “Ji Qing Quxing” state is not enough, but also with Cao Cao hegemony Central Plains, the ultimate failure. Cao Cao evaluation him: "big event and unfortunately