Summarize this tweet in a sentence.
"Today, I learned that kindness goes a long way. A small act of kindness can go a long way in making someone's day better."
The tweet expresses that the author discovered the powerful impact a small act of kindness can have in improving someone's day.
Complete the following task based on the instruction and optional input provided.### Instruction:
Summarize this tweet in a sentence.

### Input:
"Today, I learned that kindness goes a long way. A small act of kindness can go a long way in making someone's day better."

### Output:
The tweet expresses that the author discovered the powerful impact a small act of kindness can have in improving someone's day.