The Kural + 

Now as regards the work of the Master. It is divided into three parts, the first of which is devoted to Righteousness, the second to Politics, and the third to Love. These three things together with Heavenly Bliss as the fourth, are called by Hindu writers as the four objectives of life. Thiruvalluvar does not treat of the fourth objective separately and Hindus say that he has submitted himself to the orthodox rule that none but a Brahman should be a teacher of spiritual truth to mankind. But the first Part of the Kural, and especially the second section of it, inculcates every principle the following of which leads to self-realisation, which is the highest happiness that can be enjoyed by man here or hereafter. + 