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

 One foul sentence does more hurt than many foul examples. For these do but corrupt the stream；the other corrupt the fountain.

I try to live my life with passion and purpose.

安全不是产品，而是一种能力。

I don't act to escape reality, I act to understand it.

我不是那种会让对竞争的爱减少的人。

The core competitiveness of an enterprise is culture, not products.