Our modern skulls house a Stone Age mind.

I don’t like to be told what to do.

尘土承受屈辱，却以鲜花来回报。

The spread of liberal democracy and the integration of the world economy have created a situation in which the major powers are no longer willing to risk war with one another.

The human body is the most complex puzzle, and medicine is our way of solving it.

It’s not about how much you want it, it’s about how hard you’re willing to work for it.

数学的语言是普遍的，超越了文化和语言的障碍。