Confidence is not lodged in people's brains, it comes from the support system that surrounds them. Let's not confuse confidence overall with just self-confidence. Self-confidence is only one part of confidence. People also need confidence in others - their colleagues and leaders - that they can count on them to do the right thing and not to let them down.
Rosabeth Moss KanterOne of the symptoms of a losing streak is a turnover of top executives. It's a revolving door.
Rosabeth Moss Kanter