This definition involves two central dimensions of compassion. The first is known as the psychology of engagement and involves sensitivity to and awareness of the presence of suffering and its causes.
Clifford C. Cliff Clavin, Jr. (born 1947 or 1949), is a fictional character on the American television show Cheers co-created (and played) by John Ratzenberger. A postal worker, he is the bar's know-it-all and was a contestant on the game show Jeopardy!
In 1990, Jeopardy! was featured in the long-running NBC sitcom Cheers. Mailman and frequent bar visitor Cliff Clavin (played by John Ratzenberger) was a longtime fan of Jeopardy! When he learned that the show was taping in Boston, he wasted no time in trying and making it to the show.