Is there a God?

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Have you ever wondered how you can see? and see so clearly?
   


Biologists
have discovered more evidence of design, from the organ and cellular levels down to the to molecular level.... 
The human eye is a miraculous design: a system of vision with auto-exposure, auto-focus, self-cleaning and self-moisturizing. It is a camera without a need to change film. Such a complex organ simply cannot be a product of pure chance.

Sensing light and seeing are two completely different things. Even if plants can sense light, seeing requires a complex design in organ level. It cannot occur by a step-by-step process, because an eye missing 10% of its parts to see does not mean it has 90% vision. It will have zero vision! 

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At the cellular level, the evidences of amazing design are also clear. Take the lens of our eyes, for example. The lens is not a blob of hard jelly. It is comprised of numerous highly elongated cells which grow like an onion. An elongated fiber cell as thick as a pencil would be over 30 m (100 feet) long. 

The lens fibers are anucleate, ribbon-like cells located throughout the central region of the iris. These cells do not have a blood supply and do not contain any nervous or connective tissue. They are full of crystallins, grown especially to attain a highly transparent lens quality.

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The design of the lens is amazing in its cellular arrangement. Within each layer, the fiber cells are arranged in parallel (Fig B). The alignment of the lens fiber cells in concentric layers is essential to lens transparency.

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Even more amazing is the how the parallel arrangement is held in place. In order to maintain their arrangement, adjacent cells are interlocked by ball-and-socket joints at the cells' edges (Figs C, D). This prevents movement of cells against each other during the lens shape changes associated with focusing.

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Lens transparency is achieved at different levels. At the level of the tissue, the absence of blood vessels, connective and nervous tissue and the precise arrangement of the fiber cells by ball-and-socket joints throughout the lens minimizes light scatter and absorption.  

At the cellular level, the fiber cells eliminate all intracellular organelles: functional, membrane-bound compartments inside the cell such as the nucleus and the mitochondria, even DNA are broken down (degradation process shown at left) This elimination is necessary for lens transparency since organelles in the center of the lens would scatter light on its way to the retina.

Finally, an optically homogenous fiber cell cytoplasm, which is meant to last for more than 80 years in humans, further enhances the optical qualities of the lens.

The intricate structure of the lens denies any possibility that life is a result of mere chance.

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On the organ and cellular levels, we see the miraculous design of the vision system, but what is "seeing"? How does a photon passing through the lens and hitting the retina produce vision? That is a question to be answered on the molecular level..."

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On the molecular level, when light strikes the retina, photons are absorbed by an organic molecule (left) which starts a complex chain reaction of proteins in a split second, causing an imbalance of charges across the cell membrane which eventually causes a current to be transmitted down the optic nerve to the brain: the result, when interpreted by the brain, is vision. And the system is able to return to its original state and thus it can generate vision continuously when another photon reaches the retina. This system is irreducibly complex. One missing step or part causes total failure of the whole system and produces no vision.                   
(graphic from www.arn.org )

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Our eyes are just one of the countless examples in biology telling us that there is an intelligent agent behind the Creation. Intuitively, if we see a pocket watch, we know it must have a creator. How much more does the marvelous world we live in call for a Creator? 

Life is not an accident drifting hopelessly and meaninglessly in a big dark void. The God who created all the world also gave us eyes to see it for ourselves. With science today, we can see even more clearly His mighty work in Creation.

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"Blessed are the pure in heart,  for they will see God." (Matthew 5:8)

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