It is not because certain things are difficult that we do not dare;it is because we do not dare that things are difficult.
不是因为某些事物难以发现，我们才不去寻找；而是因为我们不去寻找，它们才显得难以发现。
Music is my life, my passion, my everything.
The PAC learning framework provides a formal way to analyze the efficiency and effectiveness of learning algorithms.
科学是一项协作的努力，重大的发现不会孤立地发生。