The etiquette of praising a fellow Muslim1 du'a

If any of you praises his companion then let him say: I consider (such and such a person), and Allah...

Reference:Muslim 4/2296.Hisnul Muslim 231

أَحْسِبُ فُلاَناً وَاللَّهُ حَسِيبُهُ وَلاَ أُزَكِّي عَلَى اللَّهِ أَحَداً

Transliteration

Aḥsibu fulānan wallāhu ḥasībuhwa lā uzakkī `alallāhi aḥada.

Translation

If any of you praises his companion then let him say: I consider (such and such a person), and Allah is his Assessor, (meaning: and I cannot claim anyone to be pious before Allah) if you know of this (good character trait in the person) to be such and such (saying what he thinks is praiseworthy in that person).