Yoga Sutra 4.03 a breach in the retaining barrier of the natures
Sūtra IV.3 That cause is not the impelling drive itself, but it makes a breach in the retaining barrier of the natures, as does a farmer (for irrigation) Righteousness, etc., though cause, cannot be the impelling drive of the natures. What happens, then? It makes a breach in the retaining barrier as does a farmer….