Paul does call Heavenly Father "the invisible God" but his is only unseen unto the wicked. His voice is spoken to the just and the unjust through the "mouth of his holy prophets". But there are many...
God the Father is a spirit ... and a spirit of a masculine gender ... ( God is a Spirit: and they that worship Him must worship Him in spirit and in truth.~~~ St. John 4:24 )
In the King James version In the Old Testament
Isa 40:3 The voice of him that crieth in the wilderness, Prepare ye the way of the LORD, make straight in the desert a highway for our God.
In the...
Isaiah 40:3 - The voice of him that crieth in the wilderness, Prepare ye the way of the LORD, make straight in the desert a highway for our God.
Matthew 3:3 - For this is he that was spoken of by...