The Hippocratic Oath is probably a good starting point, given that the guy asking for the money is a surgeon.<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Hippocratic_Oath" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Hippocratic_Oath</a>