实现明天的唯一限制是我们今天的疑虑。

在奥林匹克誓言中，我只要求一件事：体育忠诚。

每一次技术突破，都是对极限的挑战。

持续学习，持续进步。

We are what we repeatedly do. Excellence, then, is not an act, but a habit.

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

人才是企业的核心竞争力，要加大人才培养和引进力度。