Non Sequitur by Wiley Miller for December 20, 1998
Transcript:
Football player: WATCH IT! I think they're going for the hail Mary... Santa: So you believe monsters may be under your bed, but you don't believe I'm Santa Claus? Danae: Well...some corroborating evidence would help. Santa Claus: Why do people readily accept the existence of evil, but require proof of goodness? Danae: You want to start with politics, the courts or business? Santa: Ok...how's this for proof? Danae: Not bad...but I can rule out a bean burrito induced dream, either. Caption: CONTINUED NEXT WEEK...
Hmm. This may be the original with what I saw a variation on the theme.