Eternal life is known through faith as it is defined in John 17:3, where Jesus identifies eternal life as knowing the only true God and Jesus Christ.
John 17:3 states, 'This is life eternal, that they might know Thee, the only true God, and Jesus Christ, whom Thou hast sent.' This reveals that eternal life is fundamentally about knowledge and relationship with God, established through faith. The knowledge mentioned here cannot be achieved through human effort or intellect; rather, it is a divine revelation bestowed upon those chosen by God. This aligns with the historical Reformed doctrine that emphasizes that faith is a result of God's initiative in granting understanding and relationship with Himself.
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