In the concentration camp hospital, Eliezer’s neighbor remarks he has lost faith in everything except what?

Laugh and be merry, remember, better the world with a song,    better the world with a blow in the teeth of a wrong.    laugh, for the time is brief, a thread the length of a span.    laugh and be proud to belong to the old proud pageant of man. (laugh and be merry/john masefield/public domain) which of these is the main idea of the poem?

May someone me answer these questions

Life is a barren field frozen with snow. what literary device is he using? a.metaphor b. simile c. personification d. none of the above