A favorite story of mine is the one about a juggler who is driving to his next performance and is stopped by the police. "What are those machetes doing in your car?" asks the cop.
"I juggle them in my act."
"Oh, yeah?" says the doubtful cop. "Let's see you do it." The juggler gets out and starts tossing and catching the knives. Another man driving by slows down to watch.
"Wow," says the passer-by. "I'm glad I quit drinking. Look at the test they're giving now!"
In the gospel of John, a number of people judge Jesus by his appearance and earthly pedigree. Jesus tells them, “Do not judge by appearances, but judge with right judgment” (John 7:24 ESV). In spite of his warning, the majority of the people do judge him by appearances. They never recover from their mistake.