Came across this - i'm not a big fan of "lists" and pseudo-rules, but it's pretty good.... rules for learning:

1. Release the need to be right.
2. Welcome one another's thoughts and opinions.
3. Suspend judgment.
4. Listen for understanding, not rebuttal.
5. Make personal statements by using "I" rather than "you".
6. Clarify first what was said before you challenge someone.
7. Take time to reflect.
8. Lean into discomfort.
9. Respond first to what was said before making your point.
10. Have fun.