Joke Collection Website - Mood Talk - Things will go bad one day. How to say it in literary language?

Things will go bad one day. How to say it in literary language?

A rolling stone gathers no moss.

Fist never leaves, mouth never leaves.

If you don't advance, you will retreat.

Diligence is like a seedling in spring, it will grow sturdily day by day without increasing it; Dropping out of school is like a whetstone. Can't see the harm, losing money every day.

Commonly used keys are always shiny.