Yoga Sutra 2.47 samadhi (samapatti) on infinity
Sūtra II.47 By relaxing effort and by samādhi (samāpatti) on infinity The words ‘it comes about’ are to be supplied at the beginning of the sūtra. By withdrawal of effort, a posture is perfected, in which the limbs do not shift. Or when the mind is in samādhi on the infinite, the posture is perfected….