He said to him, "Most assuredly, I tell you, hereafter you will see heaven opened, and the angels of God ascending and descending on the Son of Man."

 When Andrew brought Peter to Jesus, Jesus looked at Peter. The word used of that look is emblepein ( G1689) . It describes a concentrated, intent gaze, the gaze which does not see only the superficial things that lie on the surface, but which reads a man's heart. When Jesus saw Simon, as he was then called, he said to him: "Your name is Simon; but you are going to be called Cephas, which means a rock." 