And Jesus said, I am
 That is, the Son of God; in proof of which he adds, 
 and ye shall see the son of man sitting on the right hand of power;
 that is, of God, who is all power, the Lord God Almighty: 
 and coming in the clouds of heaven;
 either at the destruction of Jerusalem, or at the last day, referring to the prophecy in ( Daniel 7:13 ) ; (See Gill on Matthew 26:64).