The Meaning of the Poet's Statement: "These are the doctrines of the materialists who *** disbelieved in the Creator of these universes" (The meaning of "al-la")

The Shaykh : He says: "These are the doctrines of the materialists who *** disbelieved in the Creator of these universes"
So the philosophers say that this observed universe—listen—what is this observed universe? It is the heavens, the earth, the sun, the moon, and the stars, all that is observed, and the souls, which are an unobserved realm. All of this is eternal and everlasting. Where is the concept of eternity taken from? From his statement: "in eternity" "by the permanence of this world in eternity". It is also everlasting, due to his statement: "and it is not perishable".
"These" refers to the claim of the permanence of the observed world eternally and everlastingly. "The doctrines of the materialists who" means "those who." "Al-la" is the plural of "alladhi" (who/which), as Ibn Malik said in his Alfiyyah: "The plural of alladhi is al-la, alladhina"
"These are the doctrines of the materialists who" means: those who
"*** disbelieved in the Creator of these universes" because they hold that the universe is eternal and everlasting.