悲观主义者在每个机会里看到困难。乐观主义者在每个困难里看到机会。
The wise seek the truth, fools seek entertainment.
每一个科学进步都迫使我们面对新的伦理问题。
It is absurd to say that we have a duty to be benefited.
In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.