Jesus answered the crowd, “The light will still be with you for a little while. Walk while you have light so that darkness won’t defeat you. Those who walk in the dark don’t know where they’re going.
They knew God but did not praise and thank him for being God. Instead, their thoughts were pointless, and their misguided minds were plunged into darkness.
Demas has abandoned me. He fell in love with this present world and went to the city of Thessalonica. Crescens went to the province of Galatia, and Titus went to the province of Dalmatia.
They left us. However, they were never really part of us. If they had been, they would have stayed with us. But by leaving they made it clear that none of them were part of us.