Maturity

• "Hoax" Act 2

  Mr birling describes the investigation as a hoax - Meaning He rejects the idea of being responsible for others, particularly for Eva Smith.
• "The Titanic… Unsinkable, absolutely unsinkable" Act 1

  Shows mr birling cant go wrong being a individualist, capitalist.

  Dramatic irony - The audience know the titanic did sink making his statement silly and foolish