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Collaboration across borders is essential to combat illegal logging.

"Language is the skin of thought."

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

數學家的工作大多是孤獨的追求，但也具有深刻的合作性。

淡泊平靜，憂患就不能影響，邪氣就不能侵襲，就德性完備而精神不損。

最好的偵探故事是那些偵探和罪行一樣復雜的故事。