He's just 'building castles in the air' if he thinks he can open a restaurant without any money.
Millionaires built their 'castles' along the lake.
(..) Bran the Builder and King Dorren and-- First things first. It's a long march ahead. And then we have to take the castle. Is there going to be a battle? Aye, princess, but you won't be anywhere near-- That's enough talk (..)2015 TvShow: Game of Thrones Title: Kill the Boy Season: 5 Episode 5
(..) and the child thrown in the river. But then I looked at you You are my son. Stannis Baratheon has an army at Castle Black. But he won't stay for long. He wants the Iron Throne, and the road to King's Landing comes right through Winterfell. (..)2015 TvShow: Game of Thrones Title: Kill the Boy Season: 5 Episode 5