False teaching of salvation by works a person does!
The natural man can't hear the Gospel.
One must first be Born of God to hear God's Words.
John 8:43, 47
43 Why do ye not understand my speech? even because ye cannot hear my word.
47 He that is of God heareth God's words: ye therefore hear them not, because ye are not of God.
And because the unregenerate are still in the flesh [spiritually dead] neither can they believe the Gospel.
The only Belief / Faith that pleases God is a fruit and gift of the Spirit given in New Birth.
Rom. 8:8-9
8 So then they that are in the flesh cannot please God.
9 But ye are not in the flesh, but in the Spirit, if so be that the Spirit of God dwell in you.
Now if any man have not the Spirit of Christ, he is none of his.
Gal. 5:22
But the fruit of the Spirit is love, joy, peace, longsuffering, gentleness, goodness, faith,
Eph. 2:8
For by grace are ye saved through faith; and that not of yourselves: it is the gift of God:
And neither can the natural man receive the things of God.
1 Cor. 2:14
But the natural man receiveth not the things of the Spirit of God: for they are foolishness unto him: neither can he know them, because they are spiritually discerned.
John 3:27
John answered and said, A man can receive nothing, except it be given him from heaven.