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The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.

I've always believed that the most important thing is to be true to yourself.

Scars have the strange power to remind us that our past is real.

安全困境是國際政治的一個基本特征，因為國家增加自身安全的努力往往會降低其他國家的安全。

太陽每天都是新的。

當學到的知識被遺忘后，剩下的就是教育。

Data is the lifeblood of any organization. Without it, decisions are made based on intuition rather than evidence.