Quality is free. It's not a gift, but it is 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。
I believe in such cartography – to be marked by nature, not just to label ourselves on a map like the names of rich men and women on buildings.
宇宙的扭曲面——黑洞、虫洞、奇点等——对我如此吸引，因为它与日常生活中的平坦欧几里得几何如此不同。