Topic on discussion of profundity and subtlety of pulse essentials in the plain questions (Seventeenth article part VII)

The pulse changes with the seasonal changes. The spring pulse corresponds to a pair of compasses (balance). The summer pulse corresponds to a square (big). The autumn pulse corresponds to the seam of a balance (floating). The winter pulse corresponds to a counterweight (deep).

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