“If you could’ve found out what Rosebud meant, I bet that would’ve explained everything.”

 
”No, I don’t think so; no. Mr. Kane was a man who got everything he wanted and then lost it. Maybe Rosebud was something he couldn’t get, or something he lost. Anyway, it wouldn’t have explained anything… I don’t think any word can explain a man’s life. No, I guess Rosebud is just a… piece in a jigsaw puzzle… a missing piece.”