To truly know the world, look deeply within your own being; to truly know yourself, take real interest in the world.

非暴力是一种强大而正义的武器，它可以不伤人而达到目的，并提升使用者的品格。

In science, the most exciting phrase to hear is not 'Eureka!' but 'That's funny...'

永远不要低估观察的力量——有时最小的细节会带来最大的发现。