The “strings of pearls” (Luke 8:16-18; 9:23-27; 16:16-18; 17:1-6) offer an example of the outsized influence of the First Reconstruction on the synoptic tradition.
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.