7:170

وَالَّذِينَ يُمَسِّكُونَ بِالْكِتَابِ وَأَقَامُوا الصَّلَاةَ إِنَّا لَا نُضِيعُ أَجْرَ الْمُصْلِحِينَ

Transliteration:

Waallatheena yumassikoona bialkitabi waaqamoo alssalata inna la nudeeAAu ajra almusliheena

Word by Word:

And those who hold fast to the Book, and establish the prayer, indeed, We (will) not [We] let go waste (the) reward (of) the reformers.

Translations:

For [We shall requite] all those who hold fast to the divine writ and are constant in prayer: verily, We shall not fail to requite those who enjoin the doing of what is right!

As to those who hold fast by the Book and establish regular prayer,- never shall We suffer the reward of the righteous to perish.

And as for those who make (men) keep the Scripture, and establish worship - lo! We squander not the wages of reformers.

And as for those who hold fast by the Book and keep up prayer -- surely We waste not the reward of the reformers.

But those who hold fast to the Book and establish prayer - indeed, We will not allow to be lost the reward of the reformers.