"The world is always going to be dangerous, and people are always going to be good and bad."

Every life is in many days, day after day. We walk through ourselves, meeting robbers, ghosts, giants, old men, young men, wives, widows, brothers-in-love, but always meeting ourselves.

我一直是个注重隐私的人，但我明白这是不可避免的。

科学的进步不是一条直线，而是一个螺旋，总是在前进，又总是回到起点。