"I Know What You're Up To"

Said a random old man when we knocked on his door. When he first answered, I wasn't sure if he was even of sound mind because he could barely walk and had a blank stare on his face. But I spoke up and told him that we talk to people about Jesus. He said, “Well I can see that. You're the Mormons right? I know what you're up to.” (If you were wondering, the only thing we're up to is bringing people to Jesus.) Honestly, we weren't sure what to say to that which was alright because he told us to be safe and then closed the door. It was just the most random situation haha. It kinda surprised us for no reason. Another random situation we were in was also while knocking doors. This guy was just getting home so we walked over while he was getting out of his car to introduce ourselves. He said that he already knew all about our message and didn't want to get into it with us. But then he kept talking. He basically told us that by going door to door we were destroying the...