Hatha Yoga Pradipika gives the following variant titles, gleaned from different manuscript colophons: "Haṭhayogapradīpikā", "Haṭhapradīpikā", "Haṭhapradī", "Hath-Pradipika". The "Hatha Yoga Pradīpikā" was composed by Svātmārāma in the 15th century CE. as a compilation of the earlier hatha yoga texts. Svātmārāma incorporates older Sanskrit concepts into his popular synthesis. In the "Hatha Yoga Pradīpikā," Svātmārāma introduces his system as preparatory stage for physical purification that the body practices for higher meditation or yoga. It is based on asanas (postures) and pranayama (breathing techniques). "Hatha Yoga Pradīpikā" lists thirty-five earlier Haṭha Yoga masters (Skt. siddha), including Ādi Nātha, Matsyendranātha and Gorakṣanātha. The work consists of
Karma (2) Life forms not only receive and reap the consequence of their past karma, together they are the means to initiate, evaluate, judge, give and deliver consequence of karma to others. (3) Karma is a theory that explains some evils, not all (see moral evil versus natural evil). Other schools of Hinduism, as well as Buddhism and Jainism that do consider cycle of rebirths central to their beliefs and that karma from past lives affects one's present, believe that both free will ("Cetanā") and karma can co-exist; however, their answers have not persuaded all scholars. Another issue with the theory