because we all make mistakes

They think it means accept failure with dignity and move on. The better, more subtle interpretation is that failure is a manifestation of learning and exploration. If you aren’t experiencing failure, then you are making a far worse mistake: You are being driven by the desire to avoid it. And, for leaders especially, this strategy—trying to avoid

To encourage trial and error, set a goal for the minimum number of mistakes you want to make per day or per week. When you expect to stumble, you ruminate about it less—and improve more.