sandhyopastyadi-karmani

 vedenacoditani me

pujam taih kalpayet samyak-

 sankalpah karma-pavanim

 

Translation: 

 

Fixing the mind on Me, one should worship Me by his various prescribed duties, such as chanting the Gayatri mantra at the three junctures of the day. Such performances are enjoined by the Vedas and purify the worshiper of reactions to fruitive activities.