Generate a metaphor about the power of failure.
"Failure is the sturdy hammer that strikes the anvil of experience, forging resilience and strength in the fiery furnace of learning."
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate a metaphor about the power of failure.

### Output:
"Failure is the sturdy hammer that strikes the anvil of experience, forging resilience and strength in the fiery furnace of learning."