To produce pure proletarian art the artist must be at one with the worker; this is impossible, not for political reasons, but because the artist neve… - William Empson

The waste even in a fortunate life, the isolation even of a life rich in intimacy, cannot but be felt deeply, and is the central feeling of tragedy. And anything of value must accept this because it must not prostitute itself; its strength is to be prepared to waste itself, if it does not get its opportunity.

Shall I make it clear, boys, for all to apprehend,
Those that will not hear, boys, waiting for the end,
Knowing it is near, boys, trying to pretend,
Sitting in cold fear, boys, waiting for the end?

An ambiguity, in ordinary speech, means something very pronounced, and as a rule witty or deceitful....any verbal nuance, however slight, which gives room for alternative reactions to the same piece of language.