"There's no such thing as a stupid question, except when Milhouse asks it."
Education
"My dad says I have to work harder at school."
Work
"I'm gonna practice being cool."
Courage
"Why does everyone always pick on me?"
Perseverance
"I found ten dollars!"
"Aw, crud."
"Can I come with you, Bart?"
"I memorized the periodic table."
Knowledge
"Being unpopular is like a disease."
Truth
"I'm never washing this hand again."
"Art is just stuff you put in a museum."
Art
"If I had one wish, it would be to be popular."
Dreams
"School is hard, but I try my best."
Perseverance
"I want to be just like you when I grow up, Bart."
Inspiration
"Nobody likes me because I'm different."
"My teeth are getting smaller."
Humor
"I'm a man now! Well, not yet."
"Radioactive Man is my hero."
Inspiration
"Can I borrow some money? I promise I'll pay you back."
"I wish my life could be more exciting."
Adventure
"Do you think I'm cool, Bart?"
Relationships
"My mom packed me a lunch. It's terrible."
Family
"I'm not very good at sports."
"Sometimes I feel like nobody understands me."
Solitude
"If you're my friend, you have to like me."
Friendship
"I got an A minus! Well, actually a D."
Humor
"The universe is really big and scary."
Philosophy
"I'm tired of being laughed at all the time."
Courage
"Maybe one day I'll be famous."
Hope
"I should probably study harder."
Education