Alhamdu lillāhi ḥamdan kathīran tayyiban mubārakan fīh,
ghayra makfiyyin wa lā muwadda`in,
wa lā mustaghnan `anhu Rabbanā.
All praise is to Allah, praise in abundance, good and blessed. It cannot [be compensated for, nor can it] be left, nor can it be done without, our Lord.
Reference:
Al-Bukhari 6/214, At-Tirmidhi 5/507.