Topic on discussion of profundity and subtlety of pulse essentials in the plain questions (Seventeenth article part IX) [1]

There is a principle of inspection that should be started from the yin and yang. There is a usual way of beginning that should be generated from the five elements. There is a rule of generations that should be consulted with the four seasons. We should not fail to tonify or drain appropriately, and should act in harmony with the heaven and earth. If we are acquainted with the rule that people and nature are corresponding, life and death can be known. Therefore, sounds correspond to the five musical scales. Colors correspond to the five elements. Pulses respond to the yin and yang.

Key Words: discussion of profundity and subtlety of pulse essentials, in the plain questions