In one narration the wording is: "We have not fallen short, regarding the importance of this matter, in choosing the person of highest rank."
Al-Tabarani recorded it with several chains, and the narrators of one of them are the narrators of the Sahih.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب المناقب / 14535
Hadith Gradingمحدثین:إسنادہ صحیح
Hadith Takhrij«اخرجه الطبراني فى المعجم الكبير (8841 و 8840)»