写作是重新获得自己身份的一种方式。
Writing is a way to reclaim one's identity.
The hardest thing in life is to know which bridge to cross and which to burn.
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
The average man does not know what to do with his life, yet wants another one which will last forever.
生存中最重要的工具不是刀或打火机。而是你求生的意志。
计算学习理论中的挑战在于理解学习算法的能力和局限性。
理解市场的最好方式是将其视为动态系统。