Success is not about how much money you make, it's about the difference you make in people's lives.

最好的艺术是诚实的艺术。

The supernatural is the natural not yet understood.

The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.

创新不仅仅是创造新产品，而是重新构想整个流程，以可持续的方式提供价值。

一瓶葡萄酒包含的哲理比世界上所有的书都多。

——在黄埔军校开学礼演说，1924年6月16日

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