If it is laughter that brings you to that passion, so be it. But don't be fooled into thinking laughter is the only way. The key, as opposed to what society tells you, is inside you. That phrase has meant to denote there is something on the outside we need to enhance our lives. But the healing works from the inside out.
Life is quality.
The evidence is right in front of us. He didn't have to say that. Even in non-Christian thought this fits the healing from within scenario. Find the passion. And that goes not just for those who need humor and healing in their lives.