Niyama — is the second stage of Ashtanga yoga described in the Yoga Sutras of Patanjali. These are the moral rules that concern the inner world: Shaucha (purity), Santosha (modesty, contentment), Tapas (self-discipline, austerity), Svadhyaya (cognition), Iwsvarapranidhana (recognition of Ishvara – God – as the main goal in life).