Joel 2:30

And I will shew wonders -Each revelation of God prepares the way for another, until that last revelation of His love and of His wrath in the Great Day. In delivering His people from Egypt, “the Lord shewed signs and wonders, great and sore, upon EgyptDeuteronomy 6:22. Here, in allusion to it, He says, in the same words, of the new revelation, “I will shew,” or “give, wonders, or wondrous signs,” (as the word includes both) wonders beyond the course and order of nature, and portending other dispensations of God, of joy to His faithful, terror to His enemies.