Acts.18.28  for he powerfully confuted the Jews in public, showing by the scriptures that the Christ was Jesus.
Acts.20.20  how I did not shrink from declaring to you anything that was profitable, and teaching you in public and from house to house,
Col.2.15  He disarmed the principalities and powers and made a public example of them, triumphing over them in him.
1Tim.4.13  Till I come, attend to the public reading of scripture, to preaching, to teaching.