john 17:5 And now, O Father, glorify thou me with thine own self with the glory which I had with thee before the world was. - Free Bible Online

      5. And now--in return.
      glorify thou me--The "I Thee" and "Thou Me" are so placed in the original, each beside its fellow, as to show that A PERFECT RECIPROCITY OF SERVICES of the Son to the Father first, and then of the Father to the Son in return, is what our Lord means here to express.
      with the glory which I had with thee before the world was--when "in the beginning the Word was with God" (Joh 1:1), "the only-begotten Son in the bosom of the Father" (Joh 1:18). With this pre-existent glory, which He veiled on earth, He asks to be reinvested, the design of the veiling being accomplished--not, however, simply as before, but now in our nature.

JFB.