vrtti: fluctuations, modifcation sarupyam: indetification itaratra: at other times At other times, the seer identifies with the fluctuation consciousness. When the consciousness is not stilled the seer gets caught up in the fluctuations. The fluctuations appear as a reverie which take one away from the present moment.

tada: then, at that time drastuh: the soul svarupe: in his state avasthanam: dwells Then, the seer dwells in his own true splendor. When the consciousness is stilled then our impression of our self is no longer distorted.  

yogah: union or integration citta: consciousness vrtti: fluctuations nirodhah: restraint Yoga is the cessation of the movements in the consciousness. This is definition of yoga. The study of the consciousness with an attempt to bring the thoughts under our control.

atha: now, auspiciousness, a prayer yoga: joining, union, junction, combination anusasanam: advice, direction, order, command, instructions With prayers for divine blessings, now begins an exposition of the sacred art of yoga. We can begin our study of yoga now. Anytime. Patanjali gives the instructions to follow on the path.