To be a poet is to have a soul so quick to discern that no shade of quality escapes it.

环境是我们所有人相遇的地方，是我们共同关心的地方，是我们所有人共享的东西。

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.

The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.

It is much easier to change how you think by changing your behavior， than it is to change your behavior by changing how you think. Act out the change you seek.

——《在东京（民报）创刊周年庆祝大会的演说》（1906年12月2日）