Reminds me of David J. Agans' nine rules of debugging, from his Debugging book: 1. Understand the System 2. Make it Fail 3. Quit Thinking and Look 4. Divide

Reminds me of David J. Agans' nine rules of debugging, from his Debugging book: 1. Understand the System 2. Make it Fail 3. Quit Thinking and Look 4. Divide and Conquer 5. Change One Thing at a Time 6. Keep an Audit Trail 7. Check the Plug 8. Get a Fresh View 9. If You Didn’t Fix it, It Ain’t Fixed