Thirukkural

சொல்லுதல் யார்க்கும் எளிய அரியவாம் சொல்லிய வண்ணம் செயல்.

Solludhal Yaarkkum Eliya Ariyavaam Solliya Vannam Seyal

To say (how an act is to be performed) is (indeed) easy for any one; but far difficult it is to do according to what has been said