"To understand the present, we must first understand the past."

Grief is like the ocean; it comes on waves ebbing and flowing. Sometimes the water is calm, and sometimes it is overwhelming. All we can do is learn to swim.

That there are things in this world not carved out of gray stone. That there s a small place inside of us they can never lock away, and that place is called hope.

在安全计算的领域，我们努力实现不可能的事情：用我们看不到的数据进行计算。

学习贵在专一，不以涉猎广泛为能。