Detect if the sentence contains any cliche expressions, if so, replace them.
You don't know if you don't try.
You won't find out unless you make an attempt.
Complete the following task based on the instruction and optional input provided.### Instruction:
Detect if the sentence contains any cliche expressions, if so, replace them.

### Input:
You don't know if you don't try.

### Output:
You won't find out unless you make an attempt.