Matthew 20:22

Jesus replied, "You do not know what you are asking. Can you drink the cup I am going to drink?" They said to him, "We can."

Mark 10:38

Jesus said, "You do not know what you are asking. Can you drink the cup I have to drink, or undergo the baptism I have to undergo?"

James 4:3

you do ask and you do not get it, because you ask with the wicked intention of spending it on your pleasures.

Treasury of Scripture Knowledge

Summary

And king Solomon answered and said unto his mother, And why dost thou ask Abishag the Shunammite for Adonijah? ask for him the kingdom also; for he is mine elder brother; even for him, and for Abiathar the priest, and for Joab the son of Zeruiah.

Bible References

Why dost

Matthew 20:22
Jesus replied, "You do not know what you are asking. Can you drink the cup I am going to drink?" They said to him, "We can."
Mark 10:38
Jesus said, "You do not know what you are asking. Can you drink the cup I have to drink, or undergo the baptism I have to undergo?"
James 4:3
you do ask and you do not get it, because you ask with the wicked intention of spending it on your pleasures.