Origen

The kingdom of heaven, in respect of Him who reigns there, is like a king; in respect of Him who shares the kingdom, it is like a king’s son; in respect of those things which are in the kingdom, it is like servants and guests, and among them the king’s armies. It is specified, A man that is a king, that what is spoken may be as by a man to men, and that a man may regulate men unwilling to be regulated by God. But the kingdom of heaven will then cease to be like a man, when zeal and contention and all other passions and sins having ceased, we shall cease to walk after men, and shall see Him as He is. For now we see Him not as He is, but as He has been made for us in our dispensation.