Tafsir of Sad 38:2

Nay, those who disbelieve are in false pride and opposition. means, in this Qur'an there is a reminder for those who will be reminded and a lesson for those who will learn a lesson, but the disbelievers will not benefit from it because they

في عزة

(are in false pride) meaning, arrogance and tribalism,

وشقاق

(and opposition), means, they are stubbornly opposed to it and go against it. Then Allah scares them with news of how the nations who came before them were destroyed because of their opposition to the Messengers and their disbelief in the Scriptures that were revealed from heaven. Allah says: