"Breathing in and breathing out do not reach the feet, nor do they stay in the head. Intentness of mind is fixed on the tip of the nose or on the upper lip. This is called mindfulness of breathing."-Translation of the Anapanasati Sutta

An Shigao (148 CE-180 CE), An Shigao was an early Buddhist missionary to China, and the earliest known translator of Indian Buddhist texts into Chinese. According to legend, he was a prince of Parthia, nicknamed the "Parthian Marquess", who renounced his claim to the royal throne of Parthia in order to serve as a Buddhist missionary monk in China.