Maha Thammaracha I

As Li Thai admired Buddhism greatly, he used Buddhism as a diplomatic, educational, and governing tool, having also wrote the religious text Traiphum Phra Ruang during his time as a Upparat (viceroy), which has been used in teaching the citizens to do good and to abstain from doing evil, this book is then continued to be an important text that is used in Thailand's education up to the present date. Furthermore, Lithai has also divide the Buddist priests into two sections, the Kamawasri which focuses on teaching Buddhism to the general populations and on studying the Pra Trai Pidok (Thai: พระไตรปิฎก), and the Aranyawasri which focuses on seeking enlightenment, in order for the priest to both enrichen Buddhism and spread teachings at the same time.[3]

In fostering educations through religion, Lithai has allow studying of Bhuddist disciplines and for Brahmin to study various liberal arts within the vicinity of the royal palace.[4]

Lithai has spread the teaching of Buddhism through many methods, primarily in the form of Traiphum Phra Ruang text, but also through the construction of temples and famousely in becoming a priest himeself during the year 1362, serving as an example for the citizens to follow. He actively advocate for the citizens to visits temples to listen to teachings and perform acts of charity. In spreading Bhuddism to other states, Lithai send priests to their cities to teach Buddhism, and also invite other cities to come and pay respect at the various religious buildings within Sukhothai Kingdom. He has also invited a Buddhist Patriach from Lanka to enrich Buddhism in Sukhothai, having also repair many temples and build many Buddha statues such as Prahphuddachinnasri.[5]

Lithai having dedicated himself in the enrichment of Buddhism all his life, has been given the titile of a Thammaracha, meaning a king who grants satisfaction through Dharma.[6]