Saturday 18 Nov 2017
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Isaiah 55 : 1-2

Come, all you who are thirsty, come to the waters; and you who have no money, come buy and eat! Come, buy wine and milk without money and without cost. Why spend money on what is not bread, and your labour on what does not satisfy? Listen, listen to me, and eat what is good, and your soul will delight in the richest of fare.

Cast out the slave woman and her son...

Galatians 4:30 But what does the Scripture say? “Cast out the slave woman and her son, for the son of the slave woman shall not inherit with the son of the free woman.
There is the need to give a proper context to this verse if at all we are going to grasp the message it sets out to impart to us today.

 For those who are familiar with the scripture, we would recognise that this scripture verse wastalking about Adam's debacle with the two sons born to him, two sons he shared his nature with, two sons that lived under his household and has come to love as well as become very fond of (Genesis 21:8-12). The two sons were Ishmael, born to Hagar, the housemaid of Sarah. The second was Isaac, born according to the promise of God and through faith to Sarah in their old age, contrary to expectation and hope. 
The debacle faced by Abraham came to fore because he had to send the child that was not born of the promise out of his house since the child could never inherit what was promised, it was a very painful decision for him to make, nevertheless one he had to once the gravity of what was at stake became clear to him. You may say why send the child away, why not allow him to stay? Well from reading this particular account about Abraham, we learnt that Ishmael was seen mocking or shall we say as Paul properly put it, persecuting Isaac. It was the first sign of danger and a threat to the heir, one which Sarah saw and pointed out to Abraham, while insisting that the child had to leave so that nothing would hinder the heir from coming into his inheritance. Sarah's position was confirmed when God told Abraham to let Ishmael go (Genesis 21:12).

How does this apply to me you may ask? It does in many ways, you see everyone who is born again and is looking forward to the glorious inheritance promised in Christ, we can say have two sons in their respective lives, I will refer to them as two natures in our context. The first son is the old nature born according to flesh and blood (John 3:3-6), the one that Jesus declared cannot enter the kingdom of God. A position also echoed by Paul , pointing out that flesh and blood cannot inherit the kingdom of God (1 Corinthians 15:50).
The second son is the new nature, born of the spirit according to the promise of God (John 1:12 - 13), this is the very nature that Paul had in mind when he said that " those who are led by the spirit are the children of God" . The new nature is the one that is born of God and as a result is the one who stands to inherit everything that God has promised to the redeemed in Christ.

As a result, the redeemed just like Abraham is also faced with a debacle, the one which says to him, get rid of the old nature, yes the one we were born with, the one we are used to, the one we are comfortable with and fond of, the one we know so well and we easily consort with in our daily decision making. The scripture is saying this son/nature has to leave even though it is painful, but as Paul said here in the verses below, it has to be done:
Galatian
s 5:24 And those who belong to Christ Jesus have crucified the flesh with its passions and desires.

The reason why the old nature has to leave is because it cannot inherit the kingdom of God, not only that if it is allowed to continue to thrive, it will mock and threaten the new nature the one who is the heir to the promises of our redemption, doing so with the aim of hindering it from claiming the inheritance promised him through Christ and gauranteed through the power of the Holy Spirit.
Galatians 5:17 For the desires of the flesh are against the Spirit, and the desires of the Spirit are against the flesh, for these are opposed to each other, to keep you from doing the things you want to do.

We have a choice to make therefore and just as Abraham was instructed to send Ishmael away, we too have a similar instruction to keep as pointed out to us in the words of Paul.
Romans 8:12 So then, brothers, we are debtors, not to the flesh, to live according to the flesh.