Cite the source of this quote.
"If you want to be happy, focus on being compassionate."
This quote is attributed to Dalai Lama XIV and can be found in his book, The Art of Happiness: A Handbook for Living (1998).
Below is an instruction that describes a task. Write a response that appropriately completes the request.

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

### 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).