All code dies
Memento mori for software: the system you maintain with such care will be deleted — and writing while knowing that changes how you write.
#stoicism
The post-mortem is a premeditatio malorum
The Stoics rehearsed loss before it happened. Engineering calls this a pre-mortem — and almost never practices it.
You don't control the Friday deploy
The dichotomy of control applied to incidents: what Epictetus would say in the middle of a rollback at 6:47pm on a Friday.