Peter begins a new paragraph here by asking, "Now who will harm you if you are eager to do what is good?" The answer is: lots of people everywhere. Everyone who's attended a school with other than one's own family, or who's read the newspaper, let alone if they've read even a smidgen of history, everyone knows that people who are zealous to do good are abused.

An example is Ignaz Semmelweis, not exactly a household name, but important to your health. He was the Hungarian-Austrian medical doctor who realized that physicians should wash their hands. He didn't know the reason, but he deduced that if he went straight from performing autopsies to delivering babies, mothers became sick and died more frequently. He concluded that doctors were somehow carrying the problem from sick patients to we…