śraddhayā parayā taptaṁ
tapas tat tri-vidhaṁ naraiḥ
aphalākāṅkṣibhir yuktaiḥ
sāttvikaṁ paricakṣate
śraddhayā—with faith; parayā—transcendental; taptam—executed; tapaḥ—austerity; tat—that; tri-vidham—three kinds; naraiḥ—by men; aphala-ākāṅkṣibhiḥ—without desires for fruits; yuktaiḥ—engaged; sāttvikam—in the mode of goodness; pari-cakṣate—is called.
This threefold austerity, practiced by men whose aim is not to benefit themselves materially but to please the Supreme, is of the nature of goodness.

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