Salvation is not free because it requires nothing at all. It is free in that it does not require works of righteousness to earn it. But believing is most certainly the requirement to receive the free gift of eternal life. If you do not satisfy that condition for the free gift you will most certainly lose what you had when you did believe.
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Isn't it OBVIOUS that your theory CONTRADICTS what HE said in this portion of Scripture? :
Romans 5:15-21 (ESV)
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15 [/SUP] But the free gift is not like the trespass. For if many died through one man’s trespass, much more have the grace of God and the free gift by the grace of that one man Jesus Christ abounded for many.
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16 [/SUP] And the free gift is not like the result of that one man’s sin. For the judgment following one trespass brought condemnation, but the free gift following many trespasses brought justification.
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17 [/SUP] For if, because of one man’s trespass, death reigned through that one man, much more will those who receive the abundance of grace and the free gift of righteousness reign in life through the one man Jesus Christ.
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18 [/SUP] Therefore, as one trespass led to condemnation for all men, so one act of righteousness leads to justification and life for all men.
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19 [/SUP] For as by the one man’s disobedience the many were made sinners, so by the one man’s obedience the many will be made righteous.
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20 [/SUP] Now the law came in to increase the trespass, but where sin increased, grace abounded all the more,
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21 [/SUP] so that, as sin reigned in death, grace also might reign through righteousness leading to eternal life through Jesus Christ our Lord.
Titus 3:4-7 (NIV)
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4 [/SUP] But when the kindness and love of God our Savior appeared,
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5 [/SUP] he saved us, not because of righteous things we had done, but because of his mercy. He saved us through the washing of rebirth and renewal by the Holy Spirit,
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6 [/SUP] whom he poured out on us generously through Jesus Christ our Savior,
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7 [/SUP] so that, having been justified by his grace, we might become heirs having the hope of eternal life.