Final answer:
Hassan is showing his desire for the written word and using the respectful term 'agha.'
Step-by-step explanation:
Hassan is showing his desire for the written word and using the respectful term 'agha.' 'Agha' is a Turkish term used to show respect, similar to 'sir' or 'mister.' It is commonly used as a form of address in many Arabic-speaking countries.
By using this term, Hassan is demonstrating his respect for the written word and his eagerness to engage with it.