Produce a proverb that captures the essence of the sentence.
You can't always get what you want.
"You can't have your cake and eat it too."
Complete the following task based on the instruction and optional input provided.### Instruction:
Produce a proverb that captures the essence of the sentence.

### Input:
You can't always get what you want.

### Output:
"You can't have your cake and eat it too."