过去总是紧张的，未来是完美的。

复杂性不是理解的障碍，而是需要克服的挑战。

"Understanding the immune system is understanding the key to unlocking new cancer therapies."

成为作家就意味着对一切都感兴趣。

"The challenge in AI is not just to build systems that can perform tasks, but to build systems that can learn to perform tasks."

你说的话有什么益处呢？如果没有益处还要说，就是白费口舌。