" Underqualified and underprepared men don’t think twice about leaning in. Overqualified and overprepared, too many women still hold back. And the confidence gap is an additional lens through which to consider why it is women don’t lean in. Even when we are prepared to tolerate the personal disruption that comes with aiming high, even when we have plenty of ambition, we fundamentally doubt ourselves. "

― , The Confidence Code: The Science and Art of Self-Assurance – What Women Should Know