The best index to a person's character is A) how he treats people who can't do him any good, and B) how he treats people who cannot fight back.
- Abigail Van Burren (self advice columnist)
This quote is pointing out that we can accurately judge someone by how he treats people around him. If he treats someone who doesn't have on thing good to say about him badly, you would say he has a churlish manner. This would show bad character. If he treats someone who is for some reason unable to fight back, well he has solicitous manner. This shows fantastic character. This goes to show that our actions affect our reputations. Make your actions, and therefore, reputations, reflect your real character so as to not mislead your peers.