7 Make haste then, beloved, and tarry no longer, nor suffer those who would prevent you: but remember Him that has given, and come hither to us who love you, who give you Scriptural advice, in order that you may both be installed by ourselves, and, as you minister in the churches make remembrance of us. For you are not the only one who has been elected from among monks, nor the only one to have presided over a monastery, or to have been beloved by monks. But you know that not only was Serapion a monk, and presided over that number of monks; you were not unaware of how many monks Apollos was father; you know Agathon, and are not ignorant of Ariston.
You remember Ammonius who went abroad with Serapion. Perhaps you have also heard of Muitus in the upper Thebaid, and can learn about Paul at Latopolis, and many others. And yet these, when elected, did not gainsay; but taking Elisha as an example, and knowing the story of Elijah, and having learned all about the disciples and apostles, they grappled with the charge, and did not despise the ministry, and were not inferior to themselves, but rather look for the reward of their labour, advancing themselves, and guiding others onward.
For how many have they turned away from the idols? How many have they caused to cease from their familiarity with demons by their warning? How many servants have they brought to the Lord, so as to cause those who saw such wonders to marvel at the sight? Or is it not a great wonder to make a damsel live as a virgin, and a young man live in continence, and an idolater come to know Christ?
Source: Letters (New Advent)