Cross reference
Matthew 7:9
9 Or what man is there of you, who, if his son shall ask him for a loaf, will give him a stone;
Luke 11:11-13
11 And of which of you that is a father shall his son ask a loaf, and he give him a stone? or a fish, and he for a fish give him a serpent?
12 Or `if' he shall ask an egg, will he give him a scorpion?
13 If ye then, being evil, know how to give good gifts unto your children, how much more shall `your' heavenly Father give the Holy Spirit to them that ask him?