<p>6:38 <i>For I came down from Heaven, not to do my own will, but the will of Him that sent me</i>- As noted on :37, the implication appears to be that the Father's will is to save, and so the Son will therefore not do His will, but the Father's- and never therefore reject any who come to Him in faith. This is huge assurance. The Father's will for our salvation is even stronger than that of His dear Son.</p><p>The Lord accomplished the will of God on the cross (see on Jn. 4:32-34). On the cross He came down from Heaven, there He manifested Yahweh in the greatest theophany of all time. The darkness over Him is to be read in the context of the OT theophanies which involved darkness at the time of the Lord's 'coming down'. But the Lord here speaks in the past tense. The essence of His cross was right then, before their eyes. In Him and His offer of free salvation, there was the assurance for all time to all men. He knew He would pass through the crucifixion experience, and that therefore the offer of life on account of His work was real right then and there.</p>