You're not there to spread any particular- if you're Bob Marley you're there to spread a message, but very few people can do that effectively without shoving opinions down someone's throat.
“My motto was always to keep swinging. Whether I was in a slump or feeling badly or having trouble off the field, the only thing to do was keep swinging.”
“I was involved in music, acting, and some running, but my firm wish was to become a doctor. That was the formative age when I had decided on the pattern of my career.”