Or were these poetic distillations just castles in the air?
It has been said that no garrisons are so safe from attack as the defenders of castles in the air.
Unless they take action now, they will be building castles in the air, not hospitals on the ground.
They seemed to me more like castles in the air.
I know, with regard to this £300,000, that a large number of people are building all sorts of castles in the air.
We must, therefore, recognise that, until an alternative diversion route can be found—and this will not be easy—we are building castles in the air.
Is it a sound method of taxation to levy taxes on castles in the air?
We are trying to build castles in the air.