Ya-Sin 36:16
قَالُوا۟ رَبُّنَا يَعْلَمُ إِنَّآ إِلَيْكُمْ لَمُرْسَلُونَ
Qaloo rabbuna yaAAlamu innailaykum lamursaloon
They said, "Our Lord knows that we are messengers to you,
They (the messengers) said, “Our Lord knows that we are undoubtedly sent to you.