هَـذَا بَيَانٌ لِّلنَّاسِThis is a plain statement for mankind,meaning, the Qur'an explains the true reality of things and narrates how the previous nations suffered by the hands of their enemies.وَهُدًى وَمَوْعِظَةٌAnd a guidance and instruction,for the Qur'an contains the news of the past, and, هُدًى (guidance) for your hearts.وَمَوْعِظَةٌ لِّلْمُتَّقِينَand instruction for the Muttaqin.to discourage committing the prohibited and forbidden matters.Allah comforts the believers by saying