"It seems like that should work... but it doesn't."
— Kingdom of Loathing, when you try to make certain items when you don't know their recipes
''You vaguely recall seeing somewhere the sequence of symbols, STAR - HEART - HORSESHOE. However, you can't quite remember the symbols STAR - HEART - HORSESHOE. You will need to find a piece of paper with STAR - HEART - HORSESHOE written on it if you wish to remember the sequence STAR - HEART - HORSESHOE.
"Hey, Tom Brady, you wanna play the game or do you just wanna be known as a smug cheating bitch the rest of your life?"
— Eric Cartman if you enter the correct keycode to an electronic lock before you're supposed to know it, South Park: The Fractured but Whole
"I... you... you shouldn't know that yet."
— Bouncer if you guess the correct password without speaking to Vinchenzo first, Unleash: A Hank McGuinness Noir Adventure
"Hey, keep your feet out! You can't use us until you've spoken to Bottles..."
— Wading Boots, Banjo-Kazooie