John 7:17
If any one will do his will, he shall know of the teaching whether it is from God or whether I speak from myself.
John 17:8
because the words which thou hast given me I have given them; and they have received and known truly that I came forth from thee, and believed that thou didst send me.
Acts 20:27
for I have not kept back from declaring to you all the counsel of God.
1 Corinthians 4:4
for I am not conscious to myself [of wrong], but I am not on this account justified; but he that judges me is the Lord.
1 Corinthians 11:23
For I received of the Lord, what I also delivered to you; that on the night in which he was betrayed, the Lord Jesus took bread
Hebrews 3:5-6
And Moses indeed was faithful in all his house, as a servant, for a testimony of things to be spoken;