National Teacher Daito (1283-1338) founded the monastery of Daitokuji in Kyoto and Rinzai Zen Training monastery. 

Before his death he gave his admonition to his monk which gives the essence of his teaching and points to just that which is most important for the training of his monks.

The full text can be found here.

This Dharma talk includes:

• The importance of both physical as well as spiritual wellbeing.
• How form and discipline encourages us to practice letting-go and going with the flow.
• How the outer circumstances, even in the training sodo is not the most important issue. What is important can be done anywhere.
• The importance of the transmission of the teachings & practice.