What you reference are not complete texts but small 'snippets'. Some come from the sermon on the mount, recorded in more than one gospel. "to lead us not into temptation" ... the prayer Jesus taught the disciples. These are nothing more than fragments communicated orally from one disciple to another. There were no "books", nor were there any printing presses. The faith was transmitted by word of mouth. Your references support it.
“What you reference are not complete texts but small ‘snippets’. “
Polycarp: “... as it is said in these Scriptures “be angry but sin not” and “let not the sun go down on your anger”.
Eph 4:26 Be ye angry, and sin not: let not the sun go down upon your wrath:
So, was Polycarp just quoting an oral tradition about scriptures he had never even read?
Your arguments are utterly ridiculous.
No books? Uh, there were many scrolls. Codices a.k.a books were otherwise existent, just not as much used. Christianity soon adopted and popularized the form. From the link, according to Roberts, Colin H; Skeat, TC (1983). The Birth of the Codex. London: British Academy. pp. 1522. ISBN 0-19-726061-6.;
At the turn of the 1st century AD, a kind of folded parchment notebook called pugillares membranei in Latin became commonly used for writing in the Roman Empire.