'Seal Up' in the Bible
They were told not to harm the grass of the earth or any plant or tree, but only the men who did not have the mark of God's seal upon their foreheads.
And when the seven thunders had uttered their voices, I was about to write: and I heard a voice from heaven saying unto me, Seal up those things which the seven thunders uttered, and write them not.
They have power given to them to seal up the sky, so that no rain may fall so long as they continue to prophesy; and power over the waters to turn them into blood, and to smite the earth with various plagues whenever they choose to do so.
And cast him into the bottomless pit, and shut him up, and set a seal upon him, that he should deceive the nations no more, till the thousand years should be fulfilled: and after that he must be loosed a little season.
And he [further] told me, Do not seal up the words of the prophecy of this book and make no secret of them, for the time when things are brought to a crisis and the period of their fulfillment is near.