核心技术是买不来的，必须靠自己研发。
The historian must have some kinship with his subject. The dead will not speak unless they are properly addressed.
世界上充满了显而易见的事物，但人们却往往视而不见。
释义：用兵的方法，以攻破敌人心理防线为上策，攻破城池为下策。
我不相信运气。我相信努力工作。