Thirukkural

ஐயுணர்வு எய்தியக் கண்ணும் பயமின்றே மெய்யுணர்வு இல்லா தவர்க்கு.

Aiyunarvu Eydhiyak Kannum Payamindre Meyyunarvu Illaa Thavarkku

Even those who have all the knowledge which can be attained by the five senses, will derive no benefit from it, if they are without a knowledge of the true nature of things