1 Timothy 4:12

12. Despise thy youth To be avoided by a perfectly circumspect conduct. Though Timothy was probably thirty-five years old, he was younger than many, perhaps, under his administration. At any rate he was young to Paul; just as pupils and sons often never grow old to teacher or father. “In those times,” says Grotius, “presbyters were accustomed to be what their name signifies, persons of advanced age.”