When sending his regards to someone in another state, he would bow twice to the messenger and then see him off.Confucius, & Slingerland, E. (2003). Analects: With selections from traditional commentaries. Hackett Publishing.
Sending a messenger to inquire about someone in another state, he would bow to the ground twice on seeing him off.Confucius, & Watson, B. (2007). The Analects of Confucius. Columbia University Press.