You can't stop the waves, but you can learn to surf.

The key to success is to focus on goals, not obstacles.

Cryptography is about communication in the presence of adversaries.

我们每个人都生活在各自的过去中，人们会用一分钟的时间去认识一个人，用一小时的时间去喜欢一个人，再用一天的时间去爱上一个人，到最后呢，却要用一辈子的时间去忘记一个人。