As said in Bhagavad-gītā 18.5:
yajña-dāna-tapaḥ-karma
na tyājyaṁ kāryam eva tat
yajño dānaṁ tapaś caiva
pāvanāni manīṣiṇām
“Acts of sacrifice, charity and penance are not to be given up but should be performed. Indeed, sacrifice, charity and penance purify even the great souls.”