地理带的研究揭示了自然界的统一性，尽管它表面上看起来多样。

Leadership is about making tough decisions today that will benefit generations tomorrow.

我不与任何人竞争，只与自己竞争。我的目标是超越我上一次的表现。

The poet is a man who puts up a ladder to a star and climbs it while playing a violin.

如果你不前进，就是在落后。