“That if thou shalt confess with thy mouth the Lord Jesus, and shalt believe in thine heart that God hath raised him from the dead, thou shalt be saved.”
If you declare with your mouth, 'Jesus is Lord,' and believe in your heart that God raised him from the dead, you will be saved. — The conditions for salvation are elementary: ὁμολογέω (homologeō, "confess") ἐν τῷ στόματι (en tō stomati, "with the mouth") that Ἰησοῦς κύριος (Iēsous kyrios, "Jesus is Lord") and believe (πιστεύω, pisteuō) that God ἐγείρω (egeirō, "raised") him from the dead. The gospel is accessible; salvation is not complex.