What you want to ask is this sentence, right? One stroke, one ink, one paper and one inkstone can be written for eternity. There is tension and relaxation, tightness and looseness, and you live in peace.
This is a pair, and there are many ways to do it.
One stroke, one ink, one paper and one inkstone can be written for eternity. Mountains, rivers, plants and trees depict beautiful rivers and mountains.
First couplet: One stroke, one ink, one paper and one inkstone can be written for eternity.
A pair: I think about music, chess, calligraphy and painting, and everything will last forever with you.
Two pairs: one piano, one drum, one flute and one harp, performing joys and sorrows.