Find more pleasure in intelligent dissent than in passive agreement, for, if you value intelligence as you should, the former implies a deeper agreement than the latter.
如果你没有失败,说明你没有突破极限;如果你没有突破极限,你就没有发挥出最大潜力。
研究历史的人,贵在能够贯通古今的变化,探究天道与人事的关系。