One verse is enough, its the word of God ! Does man seek after God according to Rom 3:11 ?
I did some more studying on "There is none that understandeth,
there is none that seeketh after God. (Rom 3:11)
to see from where it is based.
I was led to Psalm 14:1 and 53:1-3..."The fool hath said in his heart, There is no God. Corrupt are they, and have done abominable iniquity:
there is none that doeth good.
2 God looked down from heaven upon the children of men, to see if there were any that did understand, that did seek God.
3 Every one of them is gone back: they are altogether become filthy; there is none that doeth good, no, not one."
So where did David get that?
Numbers 32:10-15..."
Surely
none of the men that came up out of Egypt, from twenty years old and upward, shall see the land which I sware unto Abraham, unto Isaac, and unto Jacob;
because they have not wholly followed me:
12 Save Caleb the son of Jephunneh the Kenezite, and Joshua the son of Nun: for they have wholly followed the Lord.
13 And the Lord's anger was kindled against Israel, and he made them wander in the wilderness forty years, until all the generation, that had done evil in the sight of the Lord, was consumed.
14 And, behold, ye are risen up in your fathers' stead, an increase of sinful men, to augment yet the fierce anger of the Lord toward Israel.
15 For if ye turn away from after him, he will yet again leave them in the wilderness; and ye shall destroy all this people."
So Paul got it from David, who got it from Moses, as spoken by God about the faithless spies sent to scope out the promised land.
The "all" of Romans 3:11 were they who were afraid of the residents of the promised land.
Paul was simply telling the Jews still in the OT that they were just like the faithless spies of yore.
To assign it to modern men is to say that nobody has faith, which is untrue.
Even back in Moses' time, Caleb and Joshua DID have faith.
Paul's "ALL" is merely a generality.
I pray you will reconsider your POV.