mayi — unto Me; sarvāṇi — all sorts of; karmāṇi — activities; sannyasya — giving up completely; adhyātma — with full knowledge of the self; cetasā — by consciousness; nirāśīḥ — without desire for profit; nirmamaḥ — without ownership; bhūtvā — so being; yudhyasva — fight; vigata-jvaraḥ — without being lethargic.