"Cheerio, dear. I'm off to hide these common objects for a couple of hundred years until they become valuable." — Laurence's only line[Source]
Laurence the Humble Antiques Dealer is a character from Excaliferb and is the father of Phineas and Ferbalot and husband of Linderella. He went to hide objects for a couple of hundred years for when they get valuable as he says in his line.