In the Seventies the system was run-down and demoralised. Road transport was the future, the Underground was being 'managed for decline', and the system was filthier than the streets above.

Are they full of vengeance[?], because they say that people with vengeance in their hearts must dig two graves, one for their enemy and the other for themselves.

Experimental values for the voidage fraction of binary mixtures of differently shaped particles have been extracted from literature.

But do you not think, asked Lorraine, that these ideal excellencies have their origin in our nature's better part?