可持续性不仅仅是一种趋势,更是我们共同的责任。
The most important thing in science is not to stop questioning.
我想把美国从恐惧中解放出来。我希望人们能自由地表达自己。
The best leaders are those most interested in surrounding themselves with assistants and associates smarter than they are.
What is tragedy? tragedy is the conflict of good.