رَبَّنَا وَلَكَ الْحَمْدُ، حَمْدًا كَثِيرًا طَيِّبًا مُبَارَكًا فِيهِ

Rabbanaa wa lakal-hamd, hamdan katheeran tayyiban mubaarakan feeh

Our Lord, praise is Yours, abundant, holy and blessed praise.

Reference: Bukhari: 799