The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

You have to be willing to take risks, and if you fail, you have to be willing to get up and try again.

科学不是神学的婢女；重点不是用科学证明宗教教条，而是理解世界的本来面目。

I train like I'm not the best, so I can stay the best.

The simplest drawings can often carry the deepest emotions.

"I don't know what I'm doing tomorrow, I don't have a plan. I'm happy to be alive, to be healthy, and to have my kids."

未经测试的程序是无法正常工作的。