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"The interplay between mathematics and computer science is a rich source of deep and beautiful results."

Age isn't how old you are but how old you feel.

國家是理性的行為者，在無政府狀態(tài)的國際體系中尋求最大化其權(quán)力和安全。

Intolerance of others’ views (no matter how ignorant or incoherent they may be) is not simply wrong; in a world where there is no right or wrong, it is worse: it is a sign you are embarrassingly unsophisticated or, possibly, dangerous.