Sushruta Samhita
तस्याङ्गवरमाद्यं प्रत्यक्षागमानुमानोपमानैरविरुद्धमुच्यमानमुपधारय ॥१६॥
"Accept the primary component of it (the science) as described, which is supported by direct perception, tradition, inference, and analogy, and is not contradictory."
english translation
tasyAGgavaramAdyaM pratyakSAgamAnumAnopamAnairaviruddhamucyamAnamupadhAraya ॥16॥
hk transliteration by Sanscript