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!
Sam Malone (Ted Danson) doesn't own a bar anymore, and Cliff (John Ratzenberger) and Norm (George Wendt) aren't contemplating their lives over pints of beer because after the series came to an end in 1993, many of its actors went on to have successful post-Cheers careers.