evam — thus; jñātvā — knowing well; kṛtam — was performed; karma — work; pūrvaiḥ — by past authorities; api — indeed; mumukṣubhiḥ — who attained liberation; kuru — just perform; karma — prescribed duty; eva — certainly; tasmāt — therefore; tvam — you; pūrvaiḥ — by the predecessors; pūrva-taram — in ancient times; kṛtam — as performed.