D. the central message about life
The answer is the third one down. Sorry if this is wrong..
Huxley is commenting that most people in society prefer to live in "happy ignorance" as opposed to having knowledge. The stars, or truth, are "depressing."
This is because that many find the truth upsetting and would prefer to live in the dark. Huxley is saying that for many, ignorance is bliss.
Answer:
I believe it's a metaphor, although there's a possibility that it's an idiom.
Actually scratch that it's a metaphor.
