Redemption of poetry

Flat and light, flat and light.

Flat and light, flat and light.

Flat and light, flat and light.

Flat and light, flat and light.

The second sentence in the couplet should be "flat and flat", and the first word is flat ("self") to prevent loneliness, so the second word is flat ("feeling") to survive.

Hehe, these are old common sense. I know a little. Why do people still study them today?