The apostles worked tremendous miracles because they had learnt how to yield themselves to the sword of the Spirit - the Word of God. These men had learnt to yield themselves to God so much that they spoke as oracles of God. This is what a lot of Christians haven’t learnt and I believe it’s what we need to learn in these last days.
Many Christians never experience the manifestation of God’s power in their lives because they never take time to hear from God. The Bible says we ought to speak as ‘the oracles of God,’ that is, one who speaks for God. If God hasn’t said anything to you, then be quiet! If God hasn’t talked to me, I have no business talking to you. I’d be foolish to come to you just to tell you the latest news headlines; there are enough broadcasters for that.
The news I bring to you ought to be from God, because I’m born-again, I’m filled with and anointed by the Holy Ghost. God reveals His secrets to His children (Daniel 2:28). That’s why the Lord Jesus told us the Spirit of truth will guide us into all truth and show us things to come (John 16:13).
As you take out time to store up God’s Word in your heart and fellowship with His Spirit, He will speak up loud within you. He will reveal secrets to you; He will guide your heart into the truth (or reality) and show you things to come. So when you open your mouth to speak, you will truly be speaking as ‘the oracle of God.’ Then He will back up His Word that you speak and ensure it comes to pass.