The most important single aspect of software development is to be clear about what you are trying to build.

I can accept failure, everyone fails at something. But I can't accept not trying.

Never give up. Today is hard, tomorrow will be worse, but the day after tomorrow will be sunshine.

"The past is not dead. It is not even past."

It is not the creation of wealth that is wrong, but the love of money for its own sake.

科学的美丽在于它不断发展和挑战我们对世界的理解的能力。