最深刻的问题不是关于上帝的存在,而是关于世界的存在。
What we have to do is find a way to celebrate our diversity and debate our differences without fracturing our communities.
理解自然界的基本粒子和力量是解开宇宙之谜的关键。
The greatest use of life is to spend it for something that will outlast it.