Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.

我总是试图突破电影制作的界限。

最大的罪过就是伪装。

The only limit to our realization of tomorrow will be our doubts of today.

法律规范的有效性不在于它的实效性，而在于它的约束力。