The only person who can pull me down is myself, and I'm not going to let myself pull me down anymore.
解析:知道自己还有所不知,这是很高明的。不知道却自以为知道,这就是很糟糕的。
I think frugality drives innovation, just like other constraints do. One of the only ways to get out of a tight box is to invent your way out.