‘I’ = personal pronoun - self-centred, able to make a situation about himself / ‘hard-headed’ = alliteration - drawing attention to characteristics and demonstrating his egotistical nature, = adjective - positive, strength and solidity / ‘man of business’ = social climber / reflects the little knowledge Mr Birling has of what he is saying and the effect of this attitude, Mr Birling represents all businessmen within society.