Remove any unnecessary words from the following sentence to make the sentence concise:
I believe that it is important to be kind to others.
It's important to be kind to others.
Complete the following task based on the instruction and optional input provided.### Instruction:
Remove any unnecessary words from the following sentence to make the sentence concise:

### Input:
I believe that it is important to be kind to others.

### Output:
It's important to be kind to others.