Al Ankabūt

وَإِبْرَاهِيمَ إِذْ قَالَ لِقَوْمِهِ اعْبُدُوا اللَّهَ وَاتَّقُوهُ ذَلِكُمْ خَيْرٌ لَّكُمْ إِن كُنتُمْ تَعْلَمُونَ

16. “And (recollect) Abraham when he said unto his people ‘Worship Allah and be in owe of Him; that will be best for you if you did but know’.”

Monotheism and piety are at the top of the programs of Divine prophets, and, therefore, worship without piety is not so effective. Next to the concisely explained event of Noah (as) and his people, the Qur’an refers to the story of Abraham (as), the second great arch-prophet, and says:

Here, the noble verse has stated two important creedal and practical programs of the prophets with together, which is invitation to ‘Monotheism’ and ‘piety’. At the end of the verse it says if you contemplate correctly, following Monotheism and piety is the best for you, because they save you in this world from pollutions of polytheism and sin and affliction, and your next world will also be with perpetual felicity.