Given a proverb, rewrite it in its modern version.
A rolling stone gathers no moss.
"Keep moving forward and don't stay stagnant."
Complete the following task based on the instruction and optional input provided.### Instruction:
Given a proverb, rewrite it in its modern version.

### Input:
A rolling stone gathers no moss.

### Output:
"Keep moving forward and don't stay stagnant."