Al-Hujuraat - 49:17

يَمُنُّونَ عَلَيْكَ أَنْ أَسْلَمُوا قُل لَّا تَمُنُّوا عَلَيَّ إِسْلَامَكُم بَلِ اللَّهُ يَمُنُّ عَلَيْكُمْ أَنْ هَدَاكُمْ لِلْإِيمَانِ إِن كُنتُمْ صَادِقِينَ
[49:17]
They think that they lay you under an obligation by becoming Muslims. Say: Lay me not under obligation by your Islam: rather Allah lays you under an obligation by guiding you to the faith if you are truthful.
They impress on thee as a favour that they have embraced Islam. Say, "Count not your Islam as a favour upon me: Nay, Allah has conferred a favour upon you that He has guided you to the faith, if ye be true and sincere.
They make it a favour unto thee (Muhammad) that they have surrendered (unto Him). Say: Deem not your Surrender a favour unto me; but Allah doth confer a favour on you, inasmuch as He hath led you to the Faith, if ye are earnest.