Before approving any big idea, ask: what's the cheapest, fastest version testable within a week, instead of waiting for a full plan taking months?

Every email/report starts with Bottom Line Up Front: conclusion in first line.

On day one, hand the new hire a list of 15 decisions they make alone without consulting you.

After each phase: what happened? What did we expect? Why the gap? How do we learn?

Two-way-door decisions move fast with no meetings; one-way-door demands scrutiny.

Don't judge by financial numbers alone — add customer, internal, learning in 4 perspectives.

Per daily-used tool: learn 5 shortcuts — minutes/day saved = hours/year.

After major incident: full review — timeline, causes, improvements, no blame.

Per decision: is it a two-way door (reversible) or one-way door?

Swap "you're bad at math" with "what's happening here?" — Boaler proves the math brain is built, not born.

Ask your child to explain what he learned in simplest words — teach him "how to know".

Ask the model to explain a complex idea to a 5-year-old, then raise the level gradually.

Don't default to the biggest model. Choose by: task depth, cost, privacy, speed.

Ask the model to question you instead of answering, surfacing and deepening your understanding.

Have the model play expert + student who asks "dumb" questions — extracts tacit knowledge.

General MOOC completion = 5-15%. To be a completer: split, commit, publish, apply.