Seeing only what is visible, the world cannot understand the battle between the Spiritual Kingdoms nor the inner workings of spiritual warfare. It cannot see the sins of mankind as the cause of physical evils and earthly turmoil. So, the call to repentance finds minds which do not even understand.
Only signs and wonders can pull back the veil and bring mankind into the spiritual realm which it has rejected for many decades. What an awakening awaits the unsuspecting world!