What are some in-text quotations that show this

The content does not provide any in-text quotations that show the specific point you're asking about. However, it does mention a phrase used by Dave Cooper: "Ranks switched off, humility switched on". This phrase is used to create a safe space for open discussion and questioning during the After Action Review (AAR) sessions. It's a way to encourage team members to put aside their ranks and approach the discussion with humility.