In "Flash Boys," Michael Lewis explores the world of high-frequency trading and its impact on the financial markets. One significant insight is the idea that to build trust and credibility in one's professional relationships, one must genuinely contribute to others' success. This principle suggests that actions, rather than mere words, are essential in establishing a positive reputation.

The quote emphasizes the importance of being genuinely beneficial to others’ careers as a cornerstone of effective networking and professional integrity. It reveals a deeper truth about the connections in the financial industry, highlighting that the best way to gain influence and foster loyalty is through authentic support and collaborative efforts.