Romans 1 19
For that which is known about God is evident to them and made plain in their inner consciousness, because God [Himself] has shown it to them.
Compare with other 3 random translations
NIV Romans 1:19since what may be known about God is plain to them, because God has made it plain to them.
KJV Romans 1:19Because that which may be known of God is manifest in them; for God hath shewed it unto them.
NLT Romans 1:19They know the truth about God because he has made it obvious to them.