Having accepted strict vows, some become enlightened by sacrificing their possessions, and others by performing severe austerities, by practicing the yoga of eightfold mysticism, or by studying the Vedas to advance in transcendental knowledge.
sacrificing one's possessions
sacrifice in austerities
sacrifice in eightfold mysticism
sacrifice in the study of the Vedas
sacrifice in advancement of transcendental knowledge
taken to strict vows.