The subject matter is autobiographical, it's all to do with hope and memory and sensuality and involvement, really.

时间不是一条线，而是一个维度，就像空间的维度一样。

So what I want to argue for is not that we should give up on our ideas of success, but we should make sure that they are our own. We should focus in on our ideas, and make sure that we own them; that we are truly the authors of our own ambitions. Because it's bad enough not getting what you want, but it's even worse to have an idea of what it is you want, and find out, at the end of the journey, that it isn't, in fact, what you wanted all along.

The true challenge in computer science is not just to build faster computers, but to develop smarter algorithms.