Patanjali

योगेन चित्तस्य पदेन वाचां ।

मलं शरीरस्य च वैद्यकेन ॥

योऽपाकरोत्तमं प्रवरं मुनीनां ।

पतञ्जलिं प्राञ्जलिरानतोऽस्मि ॥

Which translates to:

1: I bow down to him who purifies the impurities of the Mind by Yoga, who purifies the expression of Speech by Pada (Grammar) ...

2: ... and who purifies the impurities of the Body through Vaidya (Medical Science), ...

3: ... He who is an expert in removing the impurities of the Body, Mind and Speech, the most excellent of Munis, ...

4: ... (Who is) Patanjali, I bow down with folded hands