Amos 3:7

7  Surely the Lord GOD will do nothing, but he revealeth his secret unto his servants the prophets. 

Numbers 12:6

6  If there be a prophet among you, I the Lord will make myself known unto him in a vision. 

Luke 1:70

70  As he spake by the mouth of his holy prophets, which have been since the world began:

Ephesians 2:20

20  And are built upon the foundation of the apostles and prophets, Jesus Christ himself being the chief corner stone;

Hebrews 1:1

1  God, who at sundry times and in divers manners spake in time past unto the fathers by the prophets,