Matthew 20:22

But Jesus answered and said, Ye know not what ye ask: are ye able to drink of the cup which I am going to drink of, and to be baptized with the baptism that I am baptized with?

Mark 10:38

But Jesus said unto them, Ye know not what ye ask. Can ye drink of the cup, that I drink of? and be baptized with the baptism that I am baptized with?

James 4:3

Ye ask and receive not, because ye ask wickedly; that ye may spend it in 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 and said, Ye know not what ye ask: are ye able to drink of the cup which I am going to drink of, and to be baptized with the baptism that I am baptized with?
Mark 10:38
But Jesus said unto them, Ye know not what ye ask. Can ye drink of the cup, that I drink of? and be baptized with the baptism that I am baptized with?
James 4:3
Ye ask and receive not, because ye ask wickedly; that ye may spend it in your pleasures.