Matthew 20:22

But Jesus answered, "You do not realize what you are asking for. Can you drink the cup that I am about to drink?" They answered, "Yes, we can."

Mark 10:38

Jesus said to them, "You do not realize what you are asking for. Can you drink the cup that I am drinking, or endure the baptism of agony that I am to endure?"

James 4:3

You ask and fail to get them, because you ask with evil, selfish motives, to spend them 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
But Jesus answered, "You do not realize what you are asking for. Can you drink the cup that I am about to drink?" They answered, "Yes, we can."
Mark 10:38
Jesus said to them, "You do not realize what you are asking for. Can you drink the cup that I am drinking, or endure the baptism of agony that I am to endure?"
James 4:3
You ask and fail to get them, because you ask with evil, selfish motives, to spend them on your pleasures.