可持续性不是一种趋势;而是我们对后代的责任。
The only limit to our realization of tomorrow is our doubts of today.
释义:与敌人交战之前,必须仔细分析和了解敌人的情况,然后才能制定作战计划和出兵,以确保行动的成功。
Innovation distinguishes between a leader and a follower.