“He who believes in the Son of God has the witness in himself; he who does not believe God has made Him a liar, because he has not believed the testimony that God has given of His Son.”

‭‭I John‬ ‭5‬:‭10‬ ‭NKJV‬‬

https://bible.com/bible/114/1jn.5.10.NKJV