37:169

لَكُنَّا عِبَادَ اللَّهِ الْمُخْلَصِينَ

Transliteration:

Lakunna AAibada Allahi almukhlaseena

Word by Word:

Certainly, we (would) have been slaves (of) Allah the chosen."

Translations:

we would certainly be true servants of God."

"We should certainly have been Servants of God, sincere (and devoted)!"

We would be single-minded slaves of Allah.

But (now) they disbelieve in it, so they will come to know.

We would have been the chosen servants of Allah ."