காணாதான் காட்டுவான் தான்காணான் காணாதான்
கண்டானாம் தான்கண்ட வாறு.
That man is blind to eyes that will not see who knowledge shows;-The blind man still in his blind fashion knows
One who would teach a fool will (simply) betray his folly; and the fool would (still) think himself "wise in his own conceit"