Innovation is not from 1 to N, but from 0 to 1.
有时候最难的事情和正确的事情是同一件事。
My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.
我们手里的金钱是保持自由的一种工具;我们所追求的金钱,则是使自己当奴隶的一种工具。