Luke 22:32 in the King James Version
But I have prayed for thee, that thy faith fail not: and when thou art converted, strengthen thy brethren.
Context
31 The Lord said, “Simon, Simon, behold, Satan asked to have all of you, that he might sift you as wheat,
32 but I prayed for you, that your faith wouldn’t fail. You, when once you have turned again, establish your brothers.”
33 He said to him, “Lord, I am ready to go with you both to prison and to death!”