‘evidence’ is meant such a proof as silences all objections.” If you believe the Word of God, you have proof of that which the human eye has not seen. “Faith in what God has declared gives the soul absolute assurance and firm conviction of the reality of things which the natural eye has never seen” (Ironside). Thus, to believe the Word of God about heaven is to have proof of that which is not seen as yet. To believe the Word of God is to possess the proof. The proof is always there, but you do not