Mr Birling

• "you'd think everybody has to look after everyone else, as if were all mixed up together like bees in a hive"

  Mr Birlings dismissive attitude
• "The famous younger generation who know it all"

  sarcasm
• "the titanic" [...] "absolutely unsinkable"

  dramatic irony
• "there are people in this town that would do that to me"

  concern and assertion
• "here I'm not a purple faced old man"

  euphemism