算法设计既是一门艺术也是一门科学。

生活是个婊子，死亡是她的姐妹。

Representation of the world, like the world itself, is the work of men; they describe it from their own point of view, which they confuse with the absolute truth.

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.

煤炭的未来在于可持续和负责任的采矿实践。