as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
rewrite this sentence in a more formal way:  he was talking like he was the only one who knew everything
user
he was speaking in a manner that suggested he believed himself to be the sole proprietor of knowledge.
assistant