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The Gospel of Luke Chapter 17:1-37 Stumbling Blocks 17:1 Jesus said to his disciples, "Stumbling blocks are sure to come, but woe to the one through whom they come!
Jesus knew that human nature was sinful, and that the world was a difficult place to live; so he warns the disciples that ‘stumbling blocks’, things which would hinder their faith, would be sure to come. For Jesus, it is not so bad to stumble as it is to cause others to stumble. He says how terrible it will be God’s judgment on those one who are the source of such stumbling blocks. 17:2 It would be better for him to have a millstone tied around his neck and be thrown into the sea than for him to cause one of these little ones to sin.
Being thrown into the sea with a heavy stone tied around one’s neck is the analogy Jesus uses to describe how serious this matter is – that anyone should try to undermine and destroy the faith of any believer. 17:3 Watch yourselves! If your brother sins, rebuke him. If he repents, forgive him.
Jesus does not say look out for others – it is yourself you must watch, for ‘walking the walk’ yourself this is the best way of helping others ‘walk the walk’ (1 Tim. 4:12, 16). Do not unnecessarily cause offence (1 Cor. 10:32). When another believer sins against you by deliberately causing trouble, open rebuke is better than hidden love – reproof and forgiveness are better than holding a grudge. 17:4 Even if he sins against you seven times in a day, and seven times returns to you saying, 'I repent,' you must forgive him."
Again Jesus emphasizes the weakness of human nature and indicates the way we must cope with it as Christians. Indeed our brother may sin seven times a day, but even his sinfulness is great, our forgiveness is to be just as great. Jesus is arguing here for great patience for believers which will help them grow into what God wants them to be. No matter how many times a brother apologizes and asks for forgiveness we must be ready to forgive him (Eph. 4:31-32).