Polity (பொருட்பால்) — Friendship (நட்பியல்) — Medicine (மருந்து)

Kural 941:
மிகினும் குறையினும் நோய்செய்யும் நூலோர்
வளிமுதலா எண்ணிய மூன்று.
mikinum kuRaiyinum noaiseyyum nooloar
vaLimudhalaa eNNiya moondru
English couplet:
The learned books count three, with wind as first; of these,
As any one prevail, or fail; 'twill cause disease.
Explanation: If (food and work are either) excessive or deficient, the three things enumerated by (medical) writers, flatulence, biliousness, and phlegm, will cause (one) disease.

Kural 942:
மருந்தென வேண்டாவாம் யாக்கைக்கு அருந்தியது
அற்றது போற்றி உணின்.
marundhena vaeNtaavaam yaakkaikku arundhiyadhu
atradhu poatri uNin
English couplet:
No need of medicine to heal your body's pain,
If, what you ate before digested well, you eat again.
Explanation: No medicine is necessary for him who eats after assuring (himself) that what he has (already) eaten has been digested.

Kural 943:
அற்றால் அறவறிந்து உண்க அஃதுடம்பு
பெற்றான் நெடிதுய்க்கும் ஆறு.
atraal aRavaRindhu uNka aqdhutambu
petraan netidhuykkum aaRu
English couplet:
Who has a body gained may long the gift retain,
If, food digested well, in measure due he eat again.
Explanation: If (one's food has been) digested let one eat with moderation; (for) that is the way to prolong the life of an embodied soul.

Kural 944:
அற்றது அறிந்து கடைப்பிடித்து மாறல்ல
துய்க்க துவரப் பசித்து.
atradhu aRindhu kataippitiththu maaRalla
thuykka thuvarap pasiththu
English couplet:
Knowing the food digested well, when hunger prompteth thee,
With constant care, the viands choose that well agree.
Explanation: (First) assure yourself that your food has been digested and never fail to eat, when very hungry, whatever is not disagreeable (to you).

Kural 945:
மாறுபாடு இல்லாத உண்டி மறுத்துண்ணின்
ஊறுபாடு இல்லை உயிர்க்கு.
maaRupaadu illaadha uNdi maruththuNNin
ooRupaatu illai uyirkku
English couplet:
With self-denial take the well-selected meal;
So shall thy frame no sudden sickness feel.
Explanation: There will be no disaster to one's life if one eats with moderation, food that is not disagreeable.

Kural 946:
இழிவறிந்து உண்பான்கண் இன்பம்போல் நிற்கும்
கழிபேர் இரையான்கண் நோய்.
izhivaRindhu uNpaan-kaN inpampoal niRkum
kazhipaer iraiyaankaN noai
English couplet:
On modest temperance as pleasures pure,
So pain attends the greedy epicure.
Explanation: As pleasure dwells with him who eats moderately, so disease (dwells) with the glutton who eats voraciously.

Kural 947:
தீயள வன்றித் தெரியான் பெரிதுண்ணின்
நோயள வின்றிப் படும்.
theeyaLa vandrith theriyaan peridhuNNin
noayaLa vindrip padum
English couplet:
Who largely feeds, nor measure of the fire within maintains,
That thoughtless man shall feel unmeasured pains.
Explanation: He will be afflicted with numberless diseases, who eats immoderately, ignorant (of the rules of health).

Kural 948:
நோய்நாடி நோய்முதல் நாடி அதுதணிக்கும்
வாய்நாடி வாய்ப்பச் செயல்.
noainhaati noaimudhal naati adhudhaNikkum
vaainhaati vaaippach cheyal
English couplet:
Disease, its cause, what may abate the ill:
Let leech examine these, then use his skill.
Explanation: Let the physician enquire into the (nature of the) disease, its cause and its method of cure and treat it faithfully according to (medical rule).

Kural 949:
உற்றான் அளவும் பிணியளவும் காலமும்
கற்றான் கருதிச் செயல்.
utraan aLavum piNiyaLavum kaalamum
katraan karudhich cheyal
English couplet:
The habitudes of patient and disease, the crises of the ill
These must the learned leech think over well, then use his skill.
Explanation: The learned (physician) should ascertain the condition of his patient; the nature of his disease, and the season (of the year) and (then) proceed (with his treatment).

Kural 950:
உற்றவன் தீர்ப்பான் மருந்துழைச் செல்வானென்று
அப்பால் நாற்கூற்றே மருந்து.
utravan theerppaan marundhuzhaich chelvaanendru
appaal naaRkootrae marundhu
English couplet:
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.