“You can easily judge the character of a man by how he treats those who can do nothing for him.”
“You can judge a man's true character by the way he treats his fellow animals.”
“You can often judge the character of a person by the way he treats his fellow men.”
“The true test of faith is how we treat those who can do nothing for us in return.”
“The best index to a person's character is how he treats people who can't do him any good, and how he treats people who can't fight back.”