Mark 10:38

35 And there come near to him James and John, the sons of Zebedee, saying, `Teacher, we wish that whatever we may ask for ourselves, thou mayest do for us;`

36 and he said to them, `What do ye wish me to do for you?`

37 and they said to him, `Grant to us that, one on thy right hand and one on thy left, we may sit in thy glory;`

38 and Jesus said to them, `Ye have not known what ye ask; are ye able to drink of the cup that I drink of, and with the baptism that I am baptized with -- to be baptized?`

39 And they said to him, `We are able;` and Jesus said to them, `Of the cup indeed that I drink of, ye shall drink, and with the baptism that I am baptized with, ye shall be baptized;

40 but to sit on my right and on my left, is not mine to give, but -- to those for whom it hath been prepared.`

41 And the ten having heard, began to be much displeased at James and John,