Find a famous quote related to the given concept.
Persistence
"Success is not final, failure is not fatal: it is the courage to continue that counts." - Winston Churchill.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find a famous quote related to the given concept.

### Input:
Persistence

### Output:
"Success is not final, failure is not fatal: it is the courage to continue that counts." - Winston Churchill.