Thirukkural

கல்லா தவரின் கடையென்ப கற்றறிந்தும் நல்லா ரவையஞ்சு வார்.

Kallaa Thavarin Kataiyenpa Katrarindhum Nallaa Ravaiyanju Vaar

They who, though they have learned and understood, are yet afraid of the assembly of the good, are said to be inferior (even) to the illiterate