Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.
质量是免费的。它不是礼物，但它是免费的。花钱的是那些不质量的东西——所有那些没有第一次就把工作做好的行为。
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.
Never to suffer would never to have been blessed.
当我们逃脱时，我们感到自由——即使只是从煎锅跳到火中。
The study of computational complexity is not just about classifying problems; it is about understanding the nature of computation itself.