“He who has prepared us for this very thing is God, who has given us the Spirit as a guarantee.” The Holy Spirit is God’s eternal life insurance policy taken out on His people on this side of eternity. The Holy Spirit is the guarantee that we will be beneficiaries of the Kingdom to come. The Holy Spirit appropriates God’s creative and redemptive activity into the lives of His people. By the indwelling Holy Spirit God prepares us in the here and now for all the rewards and benefits of the hereafter. George Eldon Ladd says that the indwelling Holy Spirit is like a down payment on our ultimate future in much the same way as we make a down payment on a home to indicate our intention to own it and abide in it. The partial possession of the home guarantees full possession when the mortgage is completely paid off. In the same way the indwelling Holy Spirit is the down payment on the fullness life we will one day experience in eternity. The presence of the Holy Spirit in our lives is the evidence of our citizenship in eternity with God. By filling us with His Spirit, God has consummated a divine contract with us to ensure that we participate in eternity with Him.