The writer's duty is to write with rigor, with honesty, and to never accept compromises.

For me they normally happen, these career crises, often, actually, on a Sunday evening, just as the sun is starting to set, and the gap between my hopes for myself and the reality of my life starts to diverge so painfully that I normally end up weeping into a pillow.

数学的快乐来自于为理解而奋斗。

最重要的是真正关心你在做的事情。

Cryptography is about communication in the presence of adversaries.