Jason's speech in The Amazing Carnival of Complaining.
"Zidgel! Midgel! Pumpkin-headed kids! This is Jason! Listen! You have to stop complaining! You've turned into 'seeds of discontent' - and it's spreading to everyone around you! Start thinking about all the things you have to be thankful for! Then do everything without complaining or arguing, and in this crooked world, you'll shine like stars in the universe!"
From In the Big House
To prevent Cavitus from escaping in his ship, Zidgel throwing a replica of Saturn three times his size at the ship.