Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
The writer's only responsibility is to his art. He will be completely ruthless if he is a good one. He has a dream. It anguishes him so much he must get rid of it. He has no peace until then.
The most profound impact of computer science is its ability to democratize information and empower individuals.
能源的未来不在于燃烧过去，而在于用明天的创新为现在提供动力。
所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。