Okay Emily,
Please explain the following scripture, where Levi is said to have paid tithes while still in the body of his ancestor, three generations before he was conceived.
9 And as I may so say, Levi also, who receiveth tithes, payed tithes in Abraham.
10 For he was yet in the loins of his father, when Melchisedec met him.
First, the scripture you are extracting to make an incorrect conclusion is one that is talking about Melchizedec (who is believed to be Jesus)
not trying to teach pre-existence.
Second, I am not sure which version you are reading from but I like the NIV. The NIV use the words in 9 = One MIGHT say
But since this is so important - we certainly should look at it in context. Many man built doctrines which are not supported by the whole counsel of God are built on one or two lines of scripture taken out of context here and there in the Bible.
So lets look at it in context:
Hebrews 7
Melchizedek the Priest
<sup class="versenum" id="en-NIV-30050">1</sup>This Melchizedek was king of Salem and priest of God Most High. He met Abraham returning from the defeat of the kings and blessed him, <sup class="versenum" id="en-NIV-30051">2</sup>and Abraham gave him a tenth of everything. First, his name means "king of righteousness"; then also, "king of Salem" means "king of peace." <sup class="versenum" id="en-NIV-30052">3</sup>Without father or mother, without genealogy, without beginning of days or end of life, like the Son of God he remains a priest forever. <sup class="versenum" id="en-NIV-30053">4</sup>Just think how great he was: Even the patriarch Abraham gave him a tenth of the plunder! <sup class="versenum" id="en-NIV-30054">5</sup>Now the law requires the descendants of Levi who become priests to collect a tenth from the people—that is, their brothers—even though their brothers are descended from Abraham. <sup class="versenum" id="en-NIV-30055">6</sup>
This man, however, did not trace his descent from Levi, yet he collected a tenth from Abraham and blessed him who had the promises. <sup class="versenum" id="en-NIV-30056">7</sup>And without doubt the lesser person is blessed by the greater. <sup class="versenum" id="en-NIV-30057">8</sup>In the one case, the tenth is collected by men who die; but in the other case, by him who is declared to be living. <sup class="versenum" id="en-NIV-30058">9</sup>
One might even say that Levi, who collects the tenth, paid the tenth through Abraham, <sup class="versenum" id="en-NIV-30059">10</sup>because when Melchizedek met Abraham, Levi was still in the body of his ancestor.
Jesus Like Melchizedek
<sup class="versenum" id="en-NIV-30060">11</sup>If perfection could have been attained through the Levitical priesthood (for on the basis of it the law was given to the people), why was there still need for another priest to come—one in the order of Melchizedek, not in the order of Aaron? <sup class="versenum" id="en-NIV-30061">12</sup>For when there is a change of the priesthood, there must also be a change of the law. <sup class="versenum" id="en-NIV-30062">13</sup>He of whom these things are said belonged to a different tribe, and no one from that tribe has ever served at the altar. <sup class="versenum" id="en-NIV-30063">14</sup>For it is clear that our Lord descended from Judah, and in regard to that tribe Moses said nothing about priests. <sup class="versenum" id="en-NIV-30064">15</sup>And what we have said is even more clear if another priest like Melchizedek appears, <sup class="versenum" id="en-NIV-30065">16</sup>one who has become a priest not on the basis of a regulation as to his ancestry but on the basis of the power of an indestructible life. <sup class="versenum" id="en-NIV-30066">17</sup>For it is declared:
"You are a priest forever,
in the order of Melchizedek."<sup class="footnote" value="[<a href="#fen-NIV-30066a" title="See footnote a">a</a>]"></sup> <sup class="versenum" id="en-NIV-30067">18</sup>The former regulation is set aside because it was weak and useless <sup class="versenum" id="en-NIV-30068">19</sup>(for the law made nothing perfect), and a better hope is introduced, by which we draw near to God.
<sup class="versenum" id="en-NIV-30069">20</sup>And it was not without an oath! Others became priests without any oath, <sup class="versenum" id="en-NIV-30070">21</sup>but he became a priest with an oath when God said to him:
"The Lord has sworn
and will not change his mind:
'You are a priest forever.' "<sup class="footnote" value="[<a href="#fen-NIV-30070b" title="See footnote b">b</a>]"></sup> <sup class="versenum" id="en-NIV-30071">22</sup>Because of this oath, Jesus has become the guarantee of a better covenant.
<sup class="versenum" id="en-NIV-30072">23</sup>Now there have been many of those priests, since death prevented them from continuing in office; <sup class="versenum" id="en-NIV-30073">24</sup>but because Jesus lives forever, he has a permanent priesthood. <sup class="versenum" id="en-NIV-30074">25</sup>Therefore he is able to save completely<sup class="footnote" value="[<a href="#fen-NIV-30074c" title="See footnote c">c</a>]"></sup> those who come to God through him, because he always lives to intercede for them.
<sup class="versenum" id="en-NIV-30075">26</sup>Such a high priest meets our need—one who is holy, blameless, pure, set apart from sinners, exalted above the heavens. <sup class="versenum" id="en-NIV-30076">27</sup>Unlike the other high priests, he does not need to offer sacrifices day after day, first for his own sins, and then for the sins of the people. He sacrificed for their sins once for all when he offered himself. <sup class="versenum" id="en-NIV-30077">28</sup>For the law appoints as high priests men who are weak; but the oath, which came after the law, appointed the Son, who has been made perfect forever.
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After reading that scripture in context - it is speaking about how that which is paid or that which is promised extends to generations.
That scripture says: It was as IF Levi paid the tithes because their generations received the benefits. Just as passing down an inheritance to your children. While they enjoy the fruits of your labor, they did not labor with you to produce it.
Hebrews 7 is talking about the inheritance of faith that God honored in Abraham and Abraham passed down to Isaac and Isaac to Jacob.
It honors the promises and inheritance of God - the promise of redemption - and honoring the lineage of Abraham because of Abraham's faith.
That scripture says that the decedents of Abraham received the promises through an inheritance and the promise was as fresh and whole to Levi as it was to Isaac - almost as IF Levi were alive when they were given.
Have you ever heard that something happened when you were just a glint in your father's eye? Do you really think that before you were born you were in your father's eye? It is an idiom that speaks about our parents before we existed that we were yet a hope for their future.
But I know beyond a shadow of a doubt that the scripture you are referencing does not mean anything close to us pre-existing.
Even the scripture many bring out
Jeremiah 1:5 Before I formed you in the womb I chose you, before you were born I dedicated you, a prophet to the nations I appointed you
That is speaking to God's sovereignty and foreknowledge. He is not trapped in the dimension of time. He tells us the end from the beginning and He has His plans and He plans out certain people to fulfill His plans. But that does not mean that the entire human race has their destinies written in stone and negate free will.
And we certainly are not all prophets to the nations.
Abortion is murder and we do not need to claim an indefensible and incorrect philosophy of pre-existence to defend life in the womb.
There are plenty of valid positions to convince but ultimately, unless a person is seeking the truth - and God will open their eyes to it - no argument is going to convince them. And arguments that are based on reading something into a scripture that is truly not there only hurt the cause.