Now it is my purpose to put you in mind, though you once had knowledge of all these things, of how the Lord, having taken a people safely out of Egypt, later sent destruction on those who had no faith;

These men are unseen rocks at your love-feasts, when they take part in them with you, keepers of sheep who without fear take the food of the sheep; clouds without water rushing before the wind, wasted trees without fruit, twice dead, pulled up by the roots,