^39-41 But Jesus replied, “You must not stop him. No one who exerts such power in my name would readily say anything against me. For the man who is not against us is on our side. In fact, I assure you that the man who gives you a mere drink of water in my name, because you are followers of mine, will most certainly be rewarded.”

⁴² “And I tell you too, that the man who disturbs the faith of one of the humblest of those who believe in me would be better off if he were thrown into the sea with a great mill-stone hung round his neck!”

Entering the kingdom may mean painful sacrifice

^43-49 “Indeed, if it is your own hand that spoils your faith, you must cut it off. It is better for you to enter life maimed than to keep both your hands and go to the rubbish-heap, If your foot spoils your faith, you must cut it off. It is better to enter life on one foot than to keep both your feet and be thrown on to the rubbish-heap. And if your eye leads you astray, pluck it out. It is better for you to go one-eyed into the kingdom of God than to keep both eyes and be thrown on to the rubbish-heap, where ‘their worm does not die and the fire is not quenched’. For everyone will be salted by fire.”