自己不能胜任的事，切勿轻易答应别人;既经允诺，就必须实践自己的诺言。

"Creativity is intelligence having fun."

计算机科学的本质是研究算法及其效率。

Sometimes I just feel like quitting, but then I think about all the people I’d be letting down.

"The dead are invisible, they are not absent."

I'm not a person who gives up on my happiness.

"We are still in the early days of understanding how to build truly intelligent systems."