Listen to the recitation of the sixty-seventh verse in the first chapter of the Hatha Yoga Pradipika. Recitation by from Yoga Vidya Bad Meinberg, Germany. The text of the Hatha Yoga Pradipika is written by Yogi Svatmarama:
युवो वृद्धोऽतिवृद्धो वा व्याधितो दुर्बलो.पि वा ।
अभ्यासात् सिद्धिम् आप्नोति सर्वयोगेष्व् अतन्द्रितः ॥६७॥
If you want to recite along or just read the Sanskrit text (Devanagari and Roman Script), just check out the Hatha Yoga Pradipika webpages.