Al-A'raf 7:170

Wallatheena yumassikoona bilkitabiwaaqamoo assalata inna lanudeeAAu ajra almusliheen

But those who hold fast to the Book [i.e., the Qur’ān] and establish prayer - indeed, We will not allow to be lost the reward of the reformers.

Those who hold fast to the Book and establish Salāh, We shall never let the reward of (such) righteous people to go to waste.