Who said "I think I'm ready for the real world."?

This quote is attributed to SpongeBob SquarePants.

I think I'm ready for the real world. - SpongeBob SquarePants

"I think I'm ready for the real world."

SpongeBob SquarePants Courage

"I'm ready!"

"Ahahaha! I love you."

"The best time to wear a striped sweater is all the time."

"I'm a goofy goober, yeah!"

"Never let fear stop you from chasing your dreams."

"Courage is being afraid but doing it anyway."

"Sometimes you gotta do what you gotta do."

"Sometimes you have to be the monster to stop the monsters."