I have held many things in my hands, and I have lost them all; but whatever I have placed in God's hands, that I still possess.

You're dead if you aim only for kids. Adults are only kids grown up， anyway.

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.

发现中总有意外惊喜。

The study of automorphic forms is a testament to the power of symmetry in mathematics.

创新是水产养殖的命脉；没有它，我们就会停滞不前。