Not every one that says unto me, Lord, Lord, shall enter into the kingdom of heaven; but he that does the will of my Father who is in heaven.
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Augustine of Hippo
But seeing that, however pure an eye one may have, i.e. with however single and sincere a heart one may live, he yet cannot look into the heart of another: whatever things could not have become apparent in deeds or words, are disclosed by trials. Now trial is twofold; either in the hope of obtaining some temporal advantage, or in the terror of losing it. And especially must we be on our guard, lest, when striving after wisdom, which can be found in Christ alone, in whom are hid all the treasures of wisdom and knowledge; — we must be on our guard, I say, lest, under the very name of Christ, we be deceived by heretics, or by any parties whatever defective in intelligence, and lovers of this world. For on this account He adds a warning, saying, Not every one that says unto Me, Lord, Lord, shall enter into the kingdom of heaven; but he that does the will of My Father which is in heaven, he shall enter into the kingdom of heaven: lest we should think that the mere fact of one saying to our ...
Here Jesus Christ shews, that it is not sufficient to believe in him and hear his words, but that in order to salvation, we must join works with faith; for in this shall we be examined at the last day. (Menochius)
Without faith they could not cry out, Lord, Lord. (Romans x.) But the strongest faith without the works of justice, will not be available to salvation. (1 Corinthians xiii.) (Bristow)
Many who have the Lord continually in their mouths, but care little about putting on the Lord, or penetrating themselves with his true spirit, will find their presumption, and the false consciences they have made to themselves, wofully disappointed. (Haydock)
He said “whoever does the will of my Father” shall enter, not whoever does my will. Why? Nothing is insufficient if they do the will of the Father. What he did say was itself a very difficult thing to accept in view of their weakness. He implied that to do his Father’s will is to do his will. There is no other willing of the Son than the will of the Father. This may apply in particular to those who commit themselves in detail to legal rules yet take little thought for the actual embodiment of their better intentions. Elsewhere Paul confronts them directly when he says, “Consider this. You bear the name Jew, rely on the law, boast in God and know the will of God,” but in all this you derive no benefit as long as the actual fruits of good living are not present. The Gospel of Matthew, Homily
Wherefore said He not, but he that does my will? Because for the time it was a great gain for them to receive even this first; yea it was very great, considering their weakness. And moreover He intimated the one also by the other. And withal this may be mentioned, that in fact there is no other will of the Son besides that of the Father.
And here He seems to me to be censuring the Jews chiefly, laying as they did the whole stress upon the doctrines, and taking no care of practice. For which Paul also blames them, saying, Behold you are called a Jew, and restest in the law, and makest your boast of God, and know His will: Who then are these men? you ask. Many of them that believed received gifts such as he that was casting out devils, and was not with Him; such as Judas; for even he too, wicked as he was, had a gift. And in the Old Testament also this may be found, in that grace has oftentimes wrought upon unworthy persons, that it might do good to others. That is, since all men were...
Here Jesus shows that He is Lord by saying, "Not every one that saith unto Me, Lord, Lord." Jesus in fact is saying that He is God. He teaches us that we derive no benefit from our faith if it is without works. "He that doeth the will of My Father." He did not mean, "that did the will of My Father on one occasion" but "that doeth the will of My Father continually until his death." And He did not say, "that doeth My will," lest He scandalize His listeners, but instead, "that doeth the will of My Father." For the will of a father and his son are one and the same, unless the son rebels.