Peanuts by Charles Schulz for April 20, 1963
Transcript:
Linus says to Charlie Brown, "Then again, some people seem to make the same mistakes year after year."<BR><BR> Snoopy lies in the grass watching Linus and Charlie Brown. Charlie Brown says, "Well, there's an old saying, you know . . . 'A leopard can't change his spots!'"<BR><BR> Linus and Charlie Brown pass Snoopy.<BR><BR> Snoopy thinks, "I was all ready for an insult!"<BR><BR>
Snoopy can’t change his spot.