Thirukkural

குறித்தது கூறாமைக் கொள்வாரோ டேனை உறுப்போ ரனையரால் வேறு.

Kuriththadhu Kooraamaik Kolvaaro Tenai Uruppo Ranaiyaraal Veru

Those who understand one's thoughts without being informed (thereof) and those who do not, may (indeed) resemble one another bodily; still are they different (mentally)