You can, I know, get there, and in the dark.

But if you were to go in it, it would give warning to the enemies, and besides, my father would not understand.

Remember, he does not know you; he has never seen you, and does not, I suppose, even know as yet of your existence.

But he would know me at once, and in any dress.

You can manage to lower me into the Tower by a rope from the aeroplane.