量子计算中的挑战不仅仅是构建硬件，还包括开发能够利用量子力学的算法。

Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

当我们爱的时候，我们总是努力变得比现在更好。当我们努力变得更好时，我们周围的一切也会变得更好。

The world is full of people whose notion of a satisfactory future is, in fact, a return to the idealised past.