The leaders of the earliest philosophers were Socrates and Aristotle. This led the thinkers who arrived at the conclusion regarding the Primary Entity.
Their logic for arriving at the above conclusion that "the primary entity (arche) always persists)" was that, since nothing can be completely annihilated or truly generated from the origin, but each returns to it's origin if they are destroyed, then it means that the primary entity must always persist.
In simple language, nothing is either destroyed or created.
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