A man cannot will himself to be saved, is what this is saying.
Exactly! Which means man's will is not free. It cannot will itself saved. See, we are learning!
However, if Jesus is knocking on the door of your heart, He will not come in unless you willingly open the door...It is "whosoever will" according to Revelation 22:17.
Again, look up a few verses and you will see he is talking to a church that is going astray, saying either accept Christ into the churches doors, or don't call yourselves a church. Has nothing to do with the nonregenerate, which topples the entire rest of the argument. God is not a gentleman, He is a God. He sits in the heavens and does whatever He pleases. While it might feel good to say this, nowhere in the Scriptures does it say that God is a gentleman, which means this is yet MORE feelings theology.