Health is not a privilege of the rich, but a vulnerability of the poor.

And when you’re down in the hole， when that moment comes， it’s really okay to feel bad for a little while. Give yourself time to mourn what you think you may have lost but then here’s the key， learn from every mistake because every experience， encounter， and particularly your mistakes are there to teach you and force you into being more who you are. And then figure out what is the next right move.

他的诗，如同几何圆规般，画著圆，时而亲密贴近，时而广及全球，唯一不变的是，圆规的尖端总是插定在囚室里。

"Books are the windows to other possibilities."

The power of a computational model is not just in its ability to compute, but in its ability to generalize from specific instances.