"He who believes in Him is not condemned; but he who does not believe is condemned already, because he has not believed in the name of the only begotten Son of God.
John 3:18
Surrounding context
3:17 For God did not send His Son into the world to condemn the world, but that the world through Him might be saved.
3:18 "He who believes in Him is not condemned; but he who does not believe is condemned already, because he has not believed in the name of the only begotten Son of God.
3:19 And this is the condemnation, that the light has come into the world, and men loved darkness rather than light, because their deeds were evil.