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"Books are the ultimate escape."

The human race has one really effective weapon, and that is laughter.

The coal research is just as important as the DNA work.

你不必成為最好的，但你必須盡你所能做到最好。

I don’t think you can compare eras in tennis. Every era has its great players.

Certification standards are the compass for responsible forestry.

相信有時(shí)是件可怕的事。