First and foremost thing we need to know and understand is that the Heavenly Realm has a far greater reality than the earthly realm because that is where God dwells. In actuality, the natural man cannot fathom what is happening in the Spirit World unless ONE is in the spirit. Apostle John was only able to see and perceive the realm of the spirit when he was in the spirit. 

Revelation 1:10-12: “I was in the Spirit on the Lord's day, and heard behind me a great voice, as of a trumpet, 11 Saying, I am Alpha and Omega, the first and the last: and, What thou seest, write in a book, and send it unto the seven churches which are in Asia; unto Ephesus, and unto Smyrna, and unto Pergamos, and unto Thyatira, and unto Sardis, and unto Philadelphia, and unto Laodicea. 12 And I turned to see the voice that spake with me. And being turned, I saw seven golden candlesticks;…”

You can only access the Spiritual realm by your spirit and by Faith. You cannot access the realm of God any other way. Naturally, people doubt God’s promises simply because they are not able to access His promises by the fresh. God’s promises can ONLY be gotten from the Spirit (Heavenly) realms by the Spirit and by faith. Listen as we dig deeper into this teaching.