Load Buddha (Maha Bodhisattva) practice 7 years, but failed. so he give up arnapana practice (pranayama meditation). Then he change his practice to Anapanasathi practice, describe in Ariyapariyesana suttha, sathipattana suttha and other suttas in Tripitaka.

Load Buddha (Maha Bodhisattva) practice 7 years, but failed. He realised that is not the path for purification. So he give up arnapana practice (pranayama meditation). Then he change his practice to Anapanasathi practice, describe as Ariyapariyesana suttha, sathipattana suttha and other suttas in Tripitaka.