To be loved, be lovable.

Love is or it ain't. Thin love ain't love at all.

Sometimes the hardest thing and the right thing are the same.

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

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.

提高的唯一方法就是挑战最好的对手。

人的欲望和其他激情，本质上是受到他自己控制的；他真正的困难在于，要知道何时需要加以控制，何时不需要。