16. Others, to test Him, were demanding of Him a sign from heaven.
17. But He knew their thoughts and said to them, "Any kingdom divided against itself is laid waste; and a house divided against itself falls.
18. If Satan also is divided against himself, how will his kingdom stand? For you say that I cast out demons by Beelzebul.
19. And if I by Beelzebul cast out demons, by whom do your sons cast them out? So they will be your judges.
20. But if I cast out demons by the finger of God, then the kingdom of God has come upon you.
21. When a strong man, fully armed, guards his own house, his possessions are undisturbed.