Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
Cite the source of this quote.

### Input:
"If you want to be happy, focus on being compassionate."

### Response:
This quote is attributed to Dalai Lama XIV and can be found in his book, The Art of Happiness: A Handbook for Living (1998).