We see that the focus of Christ's work with the disciples has sharply turned towards His Cross and is being confirmed from above with the types of signs that the Pharisees had asked for earlier. The disciples believed but, had not asked. The Pharisees did not believe and yet had asked. Which do you think were allowed a sign? Now that they've seen it they are kept from telling anyone of it. Worse than a non-believer not believing and not receiving a demanded sign is a non-believer disbelieving all the more after seeing a believer that has seen the sign by invitation.
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