Did ancient Judaism teach that personal misfortune was proof of sin?
In Yohanan the Immerser Demands Repentance John the Baptist challenges his audience, which had gone through all the trouble of going out to the Jordan River to receive his baptism, to accept his even more important advice: to repent of their evil deeds and imitate the faithfulness of Abraham their father.
Would you give a hungry child a poisonous arachnid to eat? Probably not, because even sinful human beings are not totally depraved. Would God give you something dangerous and destructive when you ask him for help? Certainly not, because he is the source and foundation of all goodness. In the Fathers Give Good Gifts simile, Jesus concludes his reassuring arguments that God can be trusted to provide for his full-time disciples when they pray the Lord’s Prayer.