Having said the words, He speaketh also of the proof by deeds. For when He had said, “As the Father raiseth up the dead and quickeneth them, even so the Son quickeneth whom He will,” that the thing may not seem to be mere boasting and pride, He affordeth proof by works, saying, “The hour cometh”; then, that thou mayest not deem that the time is long, He addeth, “and now is, when the dead shall hear the voice of the Son of God, and they that have heard shall live.” Seest thou here His absolute and unutterable authority? For as it shall be in the Resurrection, even so, He saith, it shall be “now.” Then too when we hear His voice commanding us we are raised; for, saith the Apostle, “at the command of God the dead shall arise.” “And whence,” perhaps some one will ask, “is it clear that the words are not mere boast?” From what He hath added, “and now is”; because had His promises referred only to some future time, His discourse would have been suspected by them, but now He supplieth them with a proof: “While I,” saith He, “am tarrying among you, this thing shall come to pass”; and He would not, had He not possessed the power, have promised for that time, lest through the promise He should incur the greater ridicule. Then too He addeth an argument demonstrative of His assertions, saying,