'Seal Up' in the Bible

So they went and made the sepulchre secure, putting a seal upon the stone, after placing the guard.

who also hath put his seal upon us, and given us the earnest of the Spirit in our hearts.

I protest, by the truth of Christ in me, that from this boasting no man shall seal up my lips in the regions of Achaia.

And when the seven thunders had uttered their voices, I was about to write: and I heard a voice from heaven saying to me, Seal up the things, which the seven thunders have spoken, and write them not down.

and cast him into the abyss, and shut him up, and put a seal upon it, that he might deceive the nations no more until the thousand years are completed: and after that he must be loosed a short time.