In the end, we will remember not the words of our enemies, but the silence of our friends.
最终,我们记住的不是敌人的话语,而是朋友的沉默。
在数学中,最简单的问题往往导致最深刻的发现。
The only limit to our realization of tomorrow is our doubts of today.
Leadership is about making tough decisions and standing by them.
Sustainability isn't an option; it's a necessity for the future of energy.