श्रीमद् भगवद्गीता

मूल श्लोकः

तस्माच्छास्त्रं प्रमाणं ते कार्याकार्यव्यवस्थितौ।

ज्ञात्वा शास्त्रविधानोक्तं कर्म कर्तुमिहार्हसि।।16.24।।

English Translation by Shri Purohit Swami

16.24 Therefore whenever there is doubt whether thou shouldst do a thing or not, let the scriptures guide thy conduct. In the light of the scriptures shouldst thou labour the whole of thy life."