The Thirukkural, written by Thiruvalluvar, is a compendium of timeless ancient Tamil wisdom in as much as 140 words, which makes Thiruvalluvar the first Tweeter in the world. One of the most prominent literary works in Tamil, the Thirukkural has 1330 couplets and 133 chapters in total in almost every virtue of life. Here are some of the mind-blowing factors about Thirukkural which you may not have hitherto known.