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The thing about human beings is that they're capable of anything.

Loneliness is the price we pay for being born.

有些難過和痛苦是言語無法撫平的。悲傷，是我們為愛付出的代價。

I know that I can always improve, no matter how good I get.

A life without examination is not worth living.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

The great powers are always searching for opportunities to gain power at the expense of their rivals, and they will use force if they think it will profit them.