The following quote is copied from pages 95-96 of the book, Shadow of the Almighty: The Life and Testament of Jim Elliot, by Elisabeth Elliot. It comes from the daily journal of Jim Elliot.
October 26. "Prayed a strange prayer today. I covenanted with the Father that He would do either of two things: either glorify Himself to the utmost in me or slay me. By His grace I shall not have His second best. For He heard me, I believe, so that now I have nothing to look forward to but a life of sacrificial sonship (that's how my Savior glorified Him) or heaven - soon. Perhaps tomorrow! What a prospect!"