Your television does not generate the picture it shows you. It receives a signal already broadcasting. The future may work the same way.
Your television does not generate the picture it shows you. Somewhere else, a signal was produced and transmitted. Your television, tuned to the right frequency, catches it and makes it visible. Nothing about the image was created inside the box. It arrived.
Right now, in the room where you are reading this, dozens of signals are moving through the air around you: broadcasts, wireless data, radio transmissions. They are real, active, and present. You cannot see or hear any of them, not because they are absent, but because you are not equipped to receive them. The human eye detects a narrow slice of visible light. The human ear detects a narrow band of sound. Outside those ranges, an entire universe of information exists, fully real and completely inaccessible to unaided perception.
This is the key Mental Metamorphosis uses to address a question that follows naturally from its central claim: if creation is already finished, why can we not see the parts of it that have not happened yet? The answer is not that those parts do not exist. It is that we do not have the equipment to perceive them yet. What we call the future is not a blank space waiting to be filled. It is a signal we have not tuned into.
A seed contains the full design of the tree it will become: roots, trunk, the shape of every leaf, encoded before a single tendril breaks the soil. What we call growth is the unfolding of what was already there, given the right conditions. Creation, the book argues, works the same way.
The deepest habit of the modern mind is to treat perception as the boundary of reality, if I cannot see it, it does not exist. But the signals in your room are real whether or not you can detect them. Perception is not the measure of what exists. It is a window, and like every window, it only frames a portion of a much larger view.