That sacrifice which is offered by men without desire for reward as enjoined by Shaastra (scripture), with a firm faith that to do so is a duty, is done through sattva.
english translation
यज्ञ करना कर्तव्य है -- इस तरह मनको समाधान करके फलेच्छारहित मनुष्योंद्वारा जो शास्त्रविधिसे नियत यज्ञ किया जाता है, वह सात्त्विक है।
hindi translation
aphalAkAGkSibhiryajJo vidhidRSTo ya ijyate | yaSTavyameveti manaH samAdhAya sa sAttvikaH || 17-11||
O Bharat ( Arjun )! But that sacrifice which is performed having in veiw a result, as also for ostentation, know that sacrifice to be done through rajas.
english translation
परन्तु हे भरतश्रेष्ठ अर्जुन ! जो यज्ञ फलकी इच्छाको लेकर अथवा दम्भ-(दिखावटीपन-) के लिये भी किया जाता है, उसको तुम राजस समझो।
hindi translation
abhisandhAya tu phalaM dambhArthamapi caiva yat | ijyate bharatazreSTha taM yajJaM viddhi rAjasam || 17-12||
They declare that sacrifice as 'done through tamas' which iscontrary to Shaastravidhi ( the ordinances of the scriptures ), in which no food is distributed, which is devoid of Mantras, gifts and faith.
english translation
शास्त्रविधिसे हीन, अन्न-दानसे रहित, बिना मन्त्रोंके, बिना दक्षिणाके और बिना श्रद्धाके किये जानेवाले यज्ञको तामस यज्ञ कहते हैं।
देवद्विजगुरुप्राज्ञपूजनं शौचमार्जवम् । ब्रह्मचर्यमहिंसा च शारीरं तप उच्यते ॥ १७-१४॥
Worship of God and the Master; respect for the preacher and the wiseman; purity, rectitude, continence and harmlessness - all this is physical austerity.
english translation
देवता, ब्राह्मण, गुरुजन और जीवन्मुक्त महापुरुषका पूजन करना, शुद्धि रखना, सरलता, ब्रह्मचर्यका पालन करना और हिंसा न करना -- यह शरीरसम्बन्धी तप कहा जाता है।
hindi translation
devadvijaguruprAjJapUjanaM zaucamArjavam | brahmacaryamahiMsA ca zArIraM tapa ucyate || 17-14||
Speech that hurts no one, that is true, is pleasant to listen to and beneficial, and also the practice of regular recitation of the Vedas - all this is said to be an austerity of speech.
english translation
जो वाक्य (भाषण) उद्वेग उत्पन्न करने वाला नहीं है, जो प्रिय, हितकारक और सत्य है तथा वेदों का स्वाध्याय अभ्यास वाङ्मय (वाणी का) तप कहलाता है।
hindi translation
anudvegakaraM vAkyaM satyaM priyahitaM ca yat | svAdhyAyAbhyasanaM caiva vAGmayaM tapa ucyate || 17-15||