I had a feature in today's New York Times!
(The Chatterer's Guide To Easing Anxiety)
The point of the essay is that purpose solves suffering, so live on purpose. When you see suffering in others as they are attempting to complete a task — ask them about their purpose.
Purpose is a cure for spiritual cancer. If you haven't already, pick up a copy of Man's Search For Meaning by Viktor Frankl. It'll blow your mind.