The more we learn of the true nature of non-human animals, especially those with complex brains and corresponding complex social behaviour, the more ethical concerns are raised regarding their use in the service of man—whether this be in entertainment, as ‘pets,’ for food, in research laboratories or any of the other uses to which we subject them.

无人机的未来在于智能化，而智能化的核心是算法和数据。

"The jungle is a place where you can lose yourself and find yourself at the same time."

——《致鲁赛尔函》（1906年11月8日）

What man actually needs is not a tensionless state but rather the striving and struggling for some goal worthy of him.

The key to successful investing is not predicting the future, but preparing for it.

自己有善德，才能要求别人行善。