The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
生存下来的不是最强壮的物种,也不是最聪明的物种,而是最能适应变化的物种。
解释:君主对发生在堂上、堂下、门廷之内的事都不知道,则虽是近处,却比百里、千里、万里之外更远。