Passage: During an orientation for new students at Stanford, he met Larry Page. They seemed to disagree on most subjects. But after spending time together, they "became intellectual soul-mates and close friends". Brin's focus was on developing data mining systems while Page's was in extending "the concept of inferring the importance of a research paper from its citations in other papers". Together, the pair authored a paper titled "The Anatomy of a Large-Scale Hypertextual Web Search Engine".

Question: How was Brin and Larry Page's relationship described?
intellectual soul-mates and close friends