---
title: "Do you know when you know?"
description: "Two questions that tell you whether someone should leave the bus."
canonical: https://tomsharman.com/bookshelf/good-to-great/do-you-know-when-you-know/
updated: 2026-11-03
---

# Do you know when you know?

> Two questions that tell you whether someone should leave the bus.

Jim Collins's framework, from Good to Great, pp. 49 to 73.

Framework 4 of 15 from [Good to Great](https://tomsharman.com/bookshelf/good-to-great/index.md) by Jim Collins. Category: Hiring and teams.

## The steps

1. **Would you hire them again?.** Treat it as a fresh hiring decision.
2. **Disappointed or relieved?.** If they said they were leaving, would you feel terribly disappointed or secretly relieved?

## Where it comes from

From chapter: Chapter 3 - First Who . . . Then What, pp. 49–73

## The animation

24 seconds, 4:5, no sound.

- MP4: https://tomsharman-downloads-006143767029.s3.eu-north-1.amazonaws.com/downloads/bookshelf/good-to-great/do-you-know-when-you-know.mp4
- MP4, dark: https://tomsharman-downloads-006143767029.s3.eu-north-1.amazonaws.com/downloads/bookshelf/good-to-great/do-you-know-when-you-know-dark.mp4
- Still: https://tomsharman-downloads-006143767029.s3.eu-north-1.amazonaws.com/downloads/bookshelf/good-to-great/do-you-know-when-you-know.png
- Still, dark: https://tomsharman-downloads-006143767029.s3.eu-north-1.amazonaws.com/downloads/bookshelf/good-to-great/do-you-know-when-you-know-dark.png