天下的道理，循环往复，所以能够永恒不息。

我不是治愈者，我是杀手。

The root of all superstition is that men observe when things hit， and not when they miss， and commit to memory the one， and pass over the other.

The legacy we leave behind is measured not just in buildings, but in the impact we have on people's lives.《Building Tomorrow》

The complexity of a learning problem is often determined by the size and structure of the hypothesis space.

我不是表演者，我是作曲家。