Generate two examples of similes.
1. Her smile was as radiant as the sun on a summer's day.
2. His words cut like a sharp knife through butter.
Complete the following task based on the instruction and optional input provided.### Instruction:
Generate two examples of similes.

### Output:
1. Her smile was as radiant as the sun on a summer's day.
2. His words cut like a sharp knife through butter.