Matthew 20:22

"You do not know what you are asking," was Jesus' answer. "Can you drink the cup that I am to drink?" "Yes," they exclaimed, "we can."

Mark 10:38

"You do not know what you are asking," Jesus said to them. "Can you drink the cup that I am to drink? or receive the baptism that I am to receive?"

James 4:3

You ask, yet do not receive, because you ask for a wrong purpose--to spend what you get upon 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
"You do not know what you are asking," was Jesus' answer. "Can you drink the cup that I am to drink?" "Yes," they exclaimed, "we can."
Mark 10:38
"You do not know what you are asking," Jesus said to them. "Can you drink the cup that I am to drink? or receive the baptism that I am to receive?"
James 4:3
You ask, yet do not receive, because you ask for a wrong purpose--to spend what you get upon your pleasures.