Mark 10:38-40

Young's Literal Translation

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.'