“As the Father has sent me, so I send you” The Fourth Gospel speaks often of Jesus being sent into the world by the Father: to do his will (6:38–39; 8:29), to speak his words (3:34; 8:28; 12:49; 14:24; 17:8), to perform his works (4:34; 5:36; 9:4) and win salvation for all who believe (3:16–17). That the disciples were sent to continue the words and works of Jesus is foreshadowed at various places in the Gospel: Jesus urged them to lift up their eyes and see fields ripe for harvest, and told them he had sent them to reap where others had labored (4:35–38), he said those who believed in him would do the works he had done and greater works than these because he was returning to the Father (14:12); he told them, “I … chose you and appointed you to go and bear fruit that will remain, so that whatever you ask the Father in my name he may give you” (15:16), saying that when the Paraclete comes “he will testify to me. And you also testify, because you have been with me from the beginning” (15:26–27), and when he prayed for his disciples he said to the Father, “As you sent me into the world, so I sent them into the world” (17:18). This last text, which parallels 20:21, confirms that the sending of the disciples was ‘into the world’, i.e. with a mission to the world. The other texts reveal the essential content of their mission was to ‘harvest’ men and women for the kingdom by their witness to Jesus by word and deed, alongside the ongoing witness of the Spirit. Continue reading
Receiving the spirit: sent
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All power…all nations… all that I have commanded you…with you always – One should be struck by the repetition of the word “all” in this passage:
Commentary – Jesus was from Galilee and since the beginning of his public ministry had moved from the northern most reaches of Israel to its center in Jerusalem – the locus of the confrontation and rejection by the leaders of Israel. But now the “Galilean” has triumphed against all odds and it a manner none had foreseen. The preparation of the “twelve” was not lost in their abandoning Jesus at the Passion. They are now restored to their positions of trust and responsibility and given final instructions for fulfilling the mission to which they had already been called (cf. 10:1-15) – but the scope is now far wider than Israel and included all the nations (28:19) 
Matthew 28:16-20 16 The eleven disciples went to Galilee, to the mountain to which Jesus had ordered them. 17 When they saw him, they worshiped, but they doubted. 18 Then Jesus approached and said to them, “All power in heaven and on earth has been given to me. 19 Go, therefore, and make disciples of all nations, baptizing them in the name of the Father, and of the Son, and of the holy Spirit, 20 teaching them to observe all that I have commanded you. And behold, I am with you always, until the end of the age.” 
At The Table With Jesus The disciples are struck by what Jesus has said and ask him to stay with them even has he appears to be traveling on. Alan Culpepper (479) offers an interesting insight into the simple passage (v.28):
friarmusings 