what does sadasad prapancham mean?

A) Sat means cause for creation asat means the creation which will be destroyed in pralaya. sat that is cause for the creation never get destroyed by its existence hence it is calleed as sat that is prakruti, asat is the materialistic world which lasts for a temporary period and at the end of the world that is pralaya it will again immerse in moola prakruti. the sat and asat forms of the world is always different from the all-mighty sri hari. we should see the sat and asat world is completely different and completely controlled by lor sri narayana the one and only god.
त एते भगवद्रूपम् विश्वं सदसदात्मकम् ।
आत्मनो व्यतिरेकेण पश्यन्तो व्यचरन् महीम् ।। (भागवतम्)

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