Bhagavad Gita Chapter 17.18
satkāra-māna-pūjārthaḿ
tapo dambhena caiva yat
kriyate tad iha proktaḿ
rājasaḿ calam adhruvam
Translation
Penance performed out of pride and for the sake of gaining respect, honor and worship is said to be in the mode of passion. It is neither stable nor permanent.