God works through signs and wonders to prove that He is the only true and living God.
God works through signs and wonders to bring glory and honor to His Name.
God works through signs and wonders to confirm His Word.
God works through signs and wonders to literally instill a fear of Himself in the hearts of His people.
God manifests Himself through signs and wonders to deliver His people out of the hands of His enemies.
God manifests Himself through signs and wonders to supernaturally provide for His people.
God manifests Himself through signs and wonders so that He can distinguish and so that He can set apart His people from all the peoples of the world.
God uses signs and wonders to fulfill His prophetic Word.
God uses signs and wonders to warn us of coming judgment.
God uses signs and wonders to bring judgement upon unbelievers