Read to show that Jesus claims heavenly origin, calls God his Father, says believers must trust in him for eternal life, and says he will raise them on the last day.
bible
38 For I have come down from heaven, not to do my own will, but the will of him who sent me. 39 This is the will of my Father who sent me, that of all he has given to me I should lose nothing, but should raise him up at the last day. 40 This is the will of the one who sent me, that everyone who sees the Son, and believes in him, should have eternal life; and I will raise him up at the last day."
Summarized by the host ('I came down from heaven to do my Father's will') to argue Christ's preexistence and heavenly origin before his human birth.
Quoted to argue that Jesus came down from heaven, is the Son sent by the Father, gives eternal life, and will raise believers on the last day.
Quoted to argue that Jesus claimed to have come down from heaven and to grant resurrection life to believers, supporting the host's claim that the Gospel presents Jesus in divine terms.
Quoted to argue that Jesus taught his own heavenly origin, unique sonship, and authority to raise believers on the last day, which the speaker used against the claim that Muhammad agrees with Jesus' teaching.