Nagarjuna

Nāgārjuna was an Indian philosopher and Mahāyāna Buddhist monk who lived around 150–250 CE. He is widely regarded as one of the most important Buddhist philosophers and the founder of the Madhyamaka school of Mahāyāna Buddhism. He authored significant philosophical and ethical works, including the treatise 'The Tree of Wisdom' (She-rab Dong-bu), a metrical commentary on morals and ethics.