ENOfficial
It was narrated that Ibn 'Abbas said: "The Messenger of Allah (ﷺ) said: 'Let the best of you give the call to prayer (Adhan), and let those who are most versed in the Qur'an lead you in prayer.'"
Source: sunnah.com
Other translations
Arabic
حَدَّثَنَا عُثْمَانُ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا حُسَيْنُ بْنُ عِيسَى، أَخُو سُلَيْمٍ الْقَارِي عَنِ الْحَكَمِ بْنِ أَبَانَ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ ـ صلى الله عليه وسلم ـ " لِيُؤَذِّنْ لَكُمْ خِيَارُكُمْ وَلْيَؤُمَّكُمْ قُرَّاؤُكُمْ " .
sunnah.com