“The only permanent rule in Calvinball is that you can never play it the same way twice! (Calvin)”
“You can never love the same way twice”
“Things never happen the same way twice.”
“This is politics. People in power never have to play by the same rules.”
“The way Calvin's brain is wired you can almost hear the fuses blowing.”
“You can never make the same mistake twice because the second time you make it, it's not a mistake, it's a choice.”