Gregory of Nazianzus

I resort once again to history, and on considering the men of best repute in ancient days, who were ever preferred by grace to the office of ruler or prophet, I discover that some readily complied with the call, others deprecated the gift, and that neither those who drew back were blamed for timidity, nor those who came forward for eagerness. The former stood in awe of the greatness of the ministry, the latter trustfully obeyed Him Who called them. …

In Defence Of His Flight To Pontus, Oration 2.114, 2.92 ↗