Ma'arif al-Qur'an Tafsir: An-Naba Ayah 31

فَذُوقُوا فَلَن نَّزِيدَكُمْ إِلَّا عَذَابًا ("So now taste! We will never add to you anything except torment."....78:30). In other words, in the world they continued to add disbelief. If death did not overtake them by coercion, they would have continued to add disbelief, and today their punishment will be increased.

Thus far the punishment of disbelievers was depicted. As opposed to this, the reward and blessings of the righteous believers are depicted below.