﴿ وَإِبْرَٰهِيمَ إِذْ قَالَ لِقَوْمِهِ ٱعْبُدُوا۟ ٱللَّهَ وَٱتَّقُوهُ ۖ ذَٰلِكُمْ خَيْرٌۭ لَّكُمْ إِن كُنتُمْ تَعْلَمُونَ ﴾

“And Abraham, [too, was inspired by Us] when he said unto his people: “Worship God, and be conscious of Him: this is the best for you, if you but knew it!”

Please check ayah 29:18 for complete tafsir.