Confidence is not 'they will like me'. Confidence is 'I'll be fine if they don't'.

Every day is a new opportunity to change your life.

The way you treat your employees is the way they will treat your customers.

I love argument, I love debate. I don't expect anyone just to sit there and agree with me, that's not their job.

心理学是精神生活的科学。

The defining characteristic of pessimists is that they tend to believe bad events will last a long time, will undermine everything they do, and are their own fault.