The four most dangerous words in investing are: 'this time it's different.'

"Every man is the hero of his own story."

教育是一盏灯，但许多人从未找到开关。

《在陆军军官学校开学典礼的演说》（1924年6月16日）

The melancholy science from which I make this offering to my friend relates to a region that from time immemorial was regarded as the true field of philosophy, but which, since the latter's conversion into method, has lapsed into intellectual neglect, sententious whimsy, and finally oblivion.

能源的未来在于我们适应和创新的能力。

如果明智地使用，技术可以成为可持续森林管理的最大盟友。

In computer science, we often find that the simplest solutions are the most elegant.

你不尝试，就100%不会成功。