怎样的人，他才敢如此指责自己的错误呢？

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.

每一次演出，我都希望能超越自己。

事实是我是个真正的完美主义者，这让我自己抓狂。