The beauty of computer science lies in its ability to model and solve real-world problems.

The great challenge of modern politics is to reconcile the demands of identity with the requirements of liberal democracy.

作战虽然讲究排兵布阵，但士兵的勇敢是其中的根本;丧葬虽然讲究礼节，但对亲人的哀思是其中的根本;一个人虽然很有学识，但思想道德、行为举止是其中的根本。