"Old age and treachery will always beat youth and exuberance" - as misquoted by Jett Reno in Starfleet Academy.
I work in academia and the breadth of knowledge on how to get things done by the older workers in a bureaucracy is just astonishing. Lose them at your peril!
Apparently Luke Kaiser is the originator of that form, though there are antecedents:
<https://quoteinvestigator.com/2025/06/04/age-treachery/>
The danger is turning into a gerontocracy.
Given the plummeting birth rates, that may be inevitable.