"I write for kids because I was a kid who needed books."
在物理学中,近似的艺术往往比精确解更重要。
翻译:智慧遍及万物,用道来救济天下。
真相并不总是在事实中找到,而是在它们之间的空间中。
The real challenge is not growing more, but growing better with fewer resources.