‘Sealed’ what is this? Well, it is not so much putting a seal on something for the purpose of security; it is more a matter of putting a seal on something for authentication. So there is the wax seal of the king of old.
We speak often of the ‘marks of grace,’ the signs of salvation in a life. What are they? Somebody has become much more humble because they have gone through that valley of conviction of sin and repentance before God, no longer the proud, self-sufficient individual. Now a true Christian has this sign, this seal, this mark because he has repented before God and he has been humbled and he depends upon him.
There are other signs too. He has discovered the Word of God. Now he is under its moral demands. The Word of God is everything – he understands it much better than he did before conversion. He loves it, he reads it, he is governed by it. What a seal of the Spirit. He belongs to God’s people. It is evident to us as Christians when someone is converted because that person knows he belongs to the spiritual family, hangs around much more, interacts with believers. Now there is a new bond with fellow Christians.
A true convert has discovered prayer and brings everything before the Lord and has many, many testimonies of answered prayer. A true convert has a battle with the enemy of souls, a battle with temptation. These things are signs of conversion, there is a seal of God’s authenticating work upon every truly converted person. Have you had this seal? Do you have the characteristics of a true believer, sealed into you?