The sound of wind and rain, the sound of reading, family affairs, state affairs and everything in the world are all rhetorical devices that care about everything.

Both duality and duality are acceptable.

Duality: refers to the rhetorical method of using two groups of sentences with the same structure, the same number of words, related or opposite meanings to form a pair of sentences. (Couplets are usually written in pairs) Example: the sound of wind and rain, the sound of reading, and the sound of listening; Family affairs, state affairs, and everything in the world are concerned.