Kural - 950

For patient, leech, and remedies, and him who waits by patient's side,
The art of medicine must fourfold code of laws provide

Explanation
Medical science consists of four parts, viz, patient, physician, medicine and compounder; and each of these (again) contains four sub-divisions.

Tamil Transliteration
Utravan Theerppaan Marundhuzhaich Chelvaanendru
Appaal Naar Kootre Marundhu.