They had said that the city was a paradise, but I found it a hell.

成功的关键是坚持和永不放弃。

Attention is the taking possession by the mind, in clear and vivid form, of one out of what seem several simultaneously possible objects or trains of thought.

我们需要理解大脑来构建更好的人工智能。

Thank you to those who once looked down on me, you made me work harder.