What is the basic sequence of events in paragraphs 1-4?

Line 1 of this excerpt features a strong example of

Gulliver's attempt to imitate the houyhnhnms gulliver to accept himself as he is causes gulliver to hate himself and other humans improves gulliver's character causes gulliver to be patient with people's problems next

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?