唯一重要的是你相信自己什么。

The deeper you go into memory, the less certain you become.

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.

We must rethink our relationship with nature to ensure long-term survival.

我一直在努力学习和成长。这就是生活的意义。