Russell H. Conwell was a prominent American Baptist minister, orator, and educator during the late 19th and early 20th centuries. As the founder of Temple University and the author of the famed lecture “Acres of Diamonds,” which he delivered thousands of times, Conwell was a leading voice in the Gilded Age prosperity movement that linked spiritual virtue with material success. Eker uses Conwell to provide a historical and moral example supporting the pursuit of wealth, countering the common belief that money is inherently corrupting.

Eker dedicates significant space to a long excerpt from “Acres of Diamonds” to support his argument with an influential example from American history. Conwell’s speech argues that opportunity is not in some distant place but is available in one’s own community. More importantly for Eker’s purpose, Conwell frames the honest acquisition of wealth as a moral and religious duty. He states, “Because to make money honestly is to preach the gospel” (89), directly asserting that wealth enables greater good by funding churches, missions, and community institutions. This reframes ambition as a form of service rather than greed.

By invoking Conwell, Eker supports his own message that creating wealth can be a noble endeavor. Conwell’s legacy, seen in both the enduring popularity of his lecture and the establishment of a major university, serves as evidence for Eker’s claim that a philosophy of ethical prosperity can produce tangible, lasting benefits for society. This historical example helps Eker persuade his readers that they can pursue financial success without sacrificing their integrity.

Prior to his political career, Donald Trump was known primarily as a high-profile real estate developer and celebrity businessman who led the Trump Organization. His career, marked by massive successes in the 1980s followed by near-catastrophic financial reversals and a subsequent comeback, made him a public symbol of entrepreneurial risk and resilience. In Secrets of the Millionaire Mind, Eker uses Trump as a well-known case study to illustrate one of his central concepts: the “financial thermostat.”

Eker argues that every individual has an internal set point for wealth, a subconscious comfort level that their mind will always try to return to. Trump’s story serves as a high-profile example of this idea. Eker points out that after losing billions, Trump rebuilt his fortune in just a few years. This recovery, Eker claims, is evidence of a mindset programmed for immense wealth. He writes, “That’s because Donald Trump’s financial ‘thermostat’ is set for billions, not millions” (11). This example makes Eker’s abstract psychological concept concrete and memorable by illustrating his belief that internal programming can be strong enough to overcome even the most extreme external setbacks..

Robert Kiyosaki, an American entrepreneur and author, is a major figure in contemporary personal-finance education, best known for his 1997 bestseller Rich Dad Poor Dad. His work popularizes concepts like passive income, asset building, and financial literacy. Eker quotes Kiyosaki to bolster his argument in Wealth File #8, which states that rich people are willing to promote themselves and their value. Kiyosaki famously notes that his book is a best-selling work, not a best-writing one. Eker uses this distinction to underscore the point that creating value is not enough; one must also be skilled at marketing that value to succeed financially. This reference to a well-known personal finance author supports Eker’s view that promoting one’s work and abilities is an important part of financial success.

Marianne Williamson is an American spiritual teacher and author whose 1992 book, A Return to Love, brought the teachings of A Course in Miracles to a mainstream audience. She is a prominent voice in the New Thought movement, which links inner spiritual transformation with outer life circumstances. Eker incorporates Williamson’s work to lend inspirational and ethical weight to Wealth File #4, which encourages readers to “think big.” He quotes her widely cited passage: “Your playing small does not serve the world. There is nothing enlightened about shrinking so that other people won’t feel insecure around you” (76). By invoking this idea, Eker frames the pursuit of large-scale success not as an act of ego, but as a duty to share one’s gifts fully with the world.