(Have they not travelled in the land) have the people of Mecca not travelled for their trade, (and have they hearts wherewith to feel) fear and that which was done to others upon beholding and reflecting (and ears wherewith to hear) the Truth and threats? (For indeed it) seeing without reflection; it is also said that " it " here refers to the expression of idolatry (is not the eyes that grow blind) such that it ceases to see physical objects, (but it is the hearts which are within the bosoms, that grow blind) from the Truth and guidance.