生活中最值得珍惜的是彼此。
The best thing to hold onto in life is each other.
The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.
我们写的每一个方程都是理解宇宙的一小步，但旅程是无限的。
Security and privacy are fundamental to the trust that users place in the Internet.