18.33-35 Dhrtya etc. upto Tamasi mata.  One restrains the activities of his mind, living breath and senses, with Yoga : i.e., thinking  'What is the use for me by enjoying etc. ?  Let me be delighted in the Self by all means.'  Conseently :  not with much indulgence.  That content whery one fixes pleasure as his goal only in sleep, fight etc.-that content is of the Tamas (Strand).