las las 'jig rten sna tshogs skyes

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,las las 'jig rten sna tshogs skyes,
,de ni sems pa dang des byas,

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Karma causes the multitude of worlds.
Karma is movement of mind and what it brings about. KHS

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From karma are various worlds born.
It's volition and what that creates. DKC

From: Abhidharmakosha by Vasubandhu, Chapter 4, verse 1.