A Sacred Scripture Exploration on the Tirukkural with Rev. Rudra Swartz. The Tirukkural, or the Kural for short, is a classic Tamil sangam literature consisting of 1,330 couplets, or kurals, dealing with the everyday virtues of an individual person. Considered one of the greatest works ever written on ethics and morality, it is known for its universality and nondenominational nature. Its author was Valluvar, also known as Thiruvalluvar.