If anyone does not remain in Me, he is like a branch that is thrown away and withers. Such branches are gathered up, thrown into the fire, and burned. John 15:6 Berean Study Bible - BibleGateway
Jesus warns that those who reject Him are themselves cast out. Amazing to see how much He talked about choosing Him throughout the gospels, because He loves us and wants the best for us.
For it is written: ‘As I live says the Lord, every knee shall bow to Me, and every tongue shall confess to God.’Romans 14:11