The only real mistake is the one from which we learn nothing.
The only way to get to the top of the ladder is to climb it step by step.
可持续性不是一个流行词,而是我们对后代的责任。
权力精英不是孤立的统治者。顾问和咨询师、发言人和舆论制造者,往往是他们更高层次思想和决策的领导者。