Luke 11:29-30
As the crowd swelled, he took a fresh tack: "The mood of this age is all wrong. Everybody's looking for proof, but you're looking for the wrong kind. All you're looking for is something to titillate your curiosity, satisfy your lust for miracles. But the only proof you're going to get is the Jonah-proof given to the Ninevites, which looks like no proof at all. 30 What Jonah was to Nineveh, the Son of Man is to this age.

He was talking about what we call-eye candy.