Agnipurana 380.53

380.53

kāmāya rājasaṃ karma mohāt karma tu tāmasaṃ /
sīdhyasiddhyoḥ samaḥ kartā sāttviko rājaso 'tyapi //

action for desire is rājasika, while action out of delusion is tāmasika. / The agent who is impartial in success and failure is sāttvika; [passionate] is rājasika;