Of course he can't, ONLY God sees the heart. Bending the knee, saying words, doing good deeds, all those things can and are faked every day. God sees the heart. He is the one that says every knee WILL bow and every tongue WILL confess that Jesus Christ is Lord to the GLORY of God.
Isaiah 45:22-24 King James Version (KJV)
Look unto me, and be ye saved, all the ends of the earth: for I am God, and there is none else. I have sworn by myself, the word is gone out of my mouth in righteousness, and shall not return, That unto me every knee shall bow, every tongue shall swear. Surely, shall one say, in the LORD have I righteousness and strength: even to him shall men come; and all that are incensed against him shall be ashamed.
Romans 14:10-12 King James Version (KJV)
But why dost thou judge thy brother? or why dost thou set at nought thy brother? for we shall all stand before the judgment seat of Christ. For it is written, As I live, saith the Lord, every knee shall bow to me, and every tongue shall confess to God. So then every one of us shall give account of himself to God.
Philippians 2:9-11 King James Version (KJV)
Wherefore God also hath highly exalted him, and given him a name which is above every name: That at the name of Jesus every knee should bow, of things in heaven, and things in earth, and things under the earth; And that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father.
Of course he can't, ONLY God sees the heart. Bending the knee, saying words, doing good deeds, all those things can and are faked every day. God sees the heart. He is the one that says every knee WILL bow and every tongue WILL confess that Jesus Christ is Lord to the GLORY of God.
But for the Protestant and antiCatholic crowd, they just don't do it now. It'll happen some time in the distant future, right?