A good mathematician is not one who knows all the answers, but one who asks the right questions.
我们必须在气候行动的紧迫需求与能源安全和经济增长的同等紧迫需求之间取得平衡。
预测未来的最好方法就是创造未来。
The truth is always exciting. Speak it, then. Life is dull without it.