Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
《三民主义.民生主义》（1924年8月10日）
过去是我们讲给自己的故事。
Oh, I’m so glad you’ve come. There are hundred things I want not to say to you.
Adaptability is the most important trait for any business leader.
He was born with his foot in his mouth
The future belongs to those who see possibilities before they become obvious.