Love Sunset’s expression, it’s so cute. :3

And Trixie’s all like “Meh”. Pretty much anyone would normally feel like that when given a lesson.

@Red Fire  
Then Sunset says “You shut your Pinko, Commie mouth before I smack yo so hard your cutie mark comes off!”

Starlight Glimmer doesn’t want to let go of her flawed beliefs.

and then starlight says  

P.T.S.: “BLAH BLAH BLAH… BLAH BLAH BLAH…”  
Trixie: “Are Trixie’s hooves broken?”  
Sunset Shimmer: “Frienship lessons!”  
Starlight Glimmer: “Ain’t got time for this.”