'Preaching' in the Bible

thou who art preaching not to steal, dost thou steal? thou who art saying not to commit adultery, dost thou commit adultery? thou who art abhorring the idols, dost thou rob temples?

How then shall they call upon him in whom they did not believe? and how shall they believe on him of whom they did not hear? and how shall they hear apart from one preaching?

And to Him who is able to establish you, according to my good news, and the preaching of Jesus Christ, according to the revelation of the secret, in the times of the ages having been kept silent,