What I tell you in darkness, that speak ye in light; and what ye hear in the ear, that preach ye upon the housetops. And fear not them that kill the body, but are not able to kill the soul.

Matthew 10: 27-28 (KJ21)

I do fully testify, then, before God, and the Lord Jesus Christ, who is about to judge living and dead at his manifestation and his reign--preach the word; be earnest in season, out of season, convict, rebuke, exhort, in all long-suffering and teaching, for there shall be a season when the sound teaching they will not suffer, but according to their own desires to themselves they shall heap up teachers -- itching in the hearing, 

2 Timothy 4:1-3 (YLT)