Matthew 7:9

What man is there of you, of whom if his son ask bread, will he give him a stone?

Luke 11:11

If a son ask bread of any one of you that is a father, will he give him a stone? Or if he ask a fish, will he, instead of a fish, give him a serpent?

Treasury of Scripture Knowledge

Summary

He hath also broken my teeth with gravel stones, he hath covered me with ashes.

Bible References

Gravel

Matthew 7:9
What man is there of you, of whom if his son ask bread, will he give him a stone?
Luke 11:11
If a son ask bread of any one of you that is a father, will he give him a stone? Or if he ask a fish, will he, instead of a fish, give him a serpent?