The connection of the day

Not only that, but we ourselves, who have the firstfruits of the Spirit, groan inwardly as we wait eagerly for our adoption as sons, the redemption of our bodies.

And do not grieve the Holy Spirit of God, in whom you were sealed for the day of redemption.

Two verses, written centuries apart, holding the same thread. The Bible has over half a million of these. The app is built on them.