“And how I kept back nothing that was profitable unto you, but have shewed you, and have taught you publickly, and from house to house,”
King James Version (KJV)
20:20 I have preached - Publicly; and taught - From house to house. Else he had not been pure from their blood. For even an apostle could not discharge his duty by public preaching only. How much less can an ordinary pastor!
Ac 20:20 Taught you publickly. Three months in the synagogue at Ephesus (Ac 19:8), two years in the school of Tyrannus (Ac 19:9,10), besides his teaching in the church assemblies.