Complex sentence: Aflaq called on all Arabs, both Muslims and non-Muslims alike, to admire the role Islam had played in creating an Arab character, but his view on Islam was purely spiritual and Aflaq emphasized that it "should not be imposed" on state and society.
Split into simpler sentences: Aflaq called on all Arabs, both Muslims and non-Muslims alike, to admire the role Islam had played in creating an Arab character. But his view on Islam was purely spiritual, and Aflaq emphasized that it "should not be imposed" on state and society.