47th Sutra Chapter 2
By relaxation of effort and absorption in the infinite, the posture is mastered.
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प्रयत्नशैथिल्यानन्त्यसमापत्तिभ्याम्॥
prayatna-shaithilya-anantya-samaapattibhyaam
prayatna: effort
shaithilya: relaxation
ananta: the infinite
samaapattibhyaam: absorption of mind
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