Create a metaphor that compares the speed of light to something else.
The speed of light is like a swift arrow shooting through the vast expanse of the universe, leaving everything else behind in its wake.
Complete the following task based on the instruction and optional input provided.### Instruction:
Create a metaphor that compares the speed of light to something else.

### Output:
The speed of light is like a swift arrow shooting through the vast expanse of the universe, leaving everything else behind in its wake.