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Shiavault - a Vault of Shia Islamic Books Faith and Reason Question 10: The Light of Heavens and the Earth Question: What is the meaning of Allah (awj) being the light of the heavens and of the earth? Is He light in the physical sense? If not, what is intended? Brief Answer Without doubt, the “light” mentioned in the verse of Light (Allah is the light of the heavens and the earth...) is not a physical and sensible light.
For, sensible light pertains to the accidental characteristics and qualities of material existents. Hence, the arguments that negate Allah’s (awj) corporeality preclude perceiving Allah (awj) as sensible and material light. Moreover, there are numerous Qur`anic verses that deny the possibility of a visual perception of Allah (awj), disaffirming any similarity between Him and His creatures.
Therefore, when Allah (awj) is referred to as “the light of the heavens and the earth” certainly sensible light is not meant. Light by definition is that which is essentially manifest and makes other things manifest and visible as well; it is clear and it makes [other things] clear; it is apparent and it makes [other things] apparent. This definition applies both to sensory light—such as the light of the sun, the stars and of a lamp—and to super-sensory light—such as knowledge and faith.
Of course, what comes to mind on hearing the word light initially is sensory light. But by analyzing the definition of light (i.e. what is essentially manifest and makes other things manifest), one finds it permissible to apply the word to spiritual matters, for they illuminate the spirit, the inward, and such application is also encountered in the Qur`an where it refers to faith as a light bestowed on the believer.
In addition, gnostics employ the word to signify “love.” As the Divine Essence is bright and manifest and is also the cause that brightens and makes other things manifest—for, He is the creator and existence-granter — employing the word light to denote Allah (awj) is correct. Rather, as the cause for a thing’s appearance to others is its existence, it must be concluded that the most fundamental instance of light is existence itself. Hence, Allah (awj), is the most perfect instance of light.
He is the sole real essentially manifest being who makes other things manifest. Thus, it must be proclaimed that He is the light who illuminates the heavens and the earth.