# Tapasya defined [[cc/adi/1/50#purport|Ādi 1.50]], [[sb/2/3/23#purport|SB 2.3.23]], [[sb/4/23/4#purport|SB 4.23.4]], [[sb/5/5/24#purport|SB 5.5.24]], [[sb/10/3/34-35#purport|SB 10.3.34-35]] *See also:* [Penance](entries/penance.md); Austerities