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!"