'Kept' in the Bible

But in dealing with truths hitherto kept secret we speak of God's wisdom--that hidden wisdom which, before the world began, God pre-destined, so that it should result in glory to us;

All this kept happening to them with a figurative meaning; but it was put on record by way of admonition to us upon whom the ends of the Ages have come.

I tell you a truth hitherto kept secret: we shall not all sleep, but we shall all be changed,