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The soul is a traveler, and the body is its suitcase.

The rule of the wild is survival of the fittest.

The Internet is a place for collaboration, but it also requires trust.

我們不能忽視煤炭的經(jīng)濟作用，但也不能忽視其環(huán)境影響。

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