Qur'an 10:84

وَقَالَ مُوسَىٰ يَـٰقَوْمِ إِن كُنتُمْ ءَامَنتُم بِٱللَّهِ فَعَلَيْهِ تَوَكَّلُوٓا۟ إِن كُنتُم مُّسْلِمِينَ

“And Moses said, "O my people, if you have believed in Allāh, then rely upon Him, if you should be Muslims [i.e., submitting to Him]."”

Yunus 10:84 · Saheeh International