According to the leveling method, the upper and lower couplets are distinguished. The last word of the first couplet is three tones and four tones, and the last word of the second couplet is one tone and two tones. The last sentence of Fu Man's blessing to receive Wisdom Fofo Agbo's permanent residence is Er Sheng, which is the bottom line.

Couplets are antithetical sentences written on paper, cloth or engraved on bamboo, wood and columns. The antithesis of couplets is neat and even, which is a unique cultural and artistic form of Chinese language.