A single web application, built by a tiny team, sold for $49 million in 1998. That was Viaweb, Paul Graham's first startup, acquired by Yahoo and recognized as the first true web-based application ever built. Graham didn't stumble into that outcome. He thought his way there, and then spent the next two decades writing down exactly how he did it. Those essays, published on paulgraham.com, have quietly shaped more billion-dollar companies than almost any business school curriculum alive. The most important idea Graham ever put on paper starts with a distinction almost everyone gets wrong. Money is not wealth. Money is a medium of exchange, a social contract, a token. Wealth is the actual stuff people want: food, software, services, solutions. This gap matters enormously, Shiyu, because once you confuse the two, you start believing wealth is something you capture rather than something you create. That belief has a formal name in economics: the Lump of Labour Fallacy. It's the mistaken assumption that there is a fixed amount of wealth in the world, and that getting more means someone else gets less. Graham calls this the biggest mental trap standing between most people and real financial progress. If the pie is fixed, competition is the only strategy. But the pie is not fixed. A programmer who writes software used by a million people has created something from nothing. No one lost for them to win. So how do you create wealth fast? Graham's answer is the startup, and his framing is precise. A startup is not just a small company. It is a compression mechanism. A normal salaried career might let you work at, say, one-and-a-half times the output of an average employee. A startup lets you work at ten or twenty times that rate, compressing what might take forty years into four or five. That compression is the entire point. But compression alone isn't enough. Graham identifies two ingredients that make it real: measurement and leverage. Measurement means your output is directly tied to your results, not your hours. Leverage means a small number of decisions or a small amount of code can affect a massive number of people. This is why, Shiyu, a software startup is such a powerful vehicle. Code is leverage at scale. One engineer's work can serve millions simultaneously, and that ratio is nearly impossible to achieve in any traditional job structure. Y Combinator, the accelerator Graham co-founded, has backed companies now worth a combined valuation exceeding $600 billion, and its official motto, make something people want, is lifted word for word from this exact essay. Graham also argues that the ideal psychological starting point for all of this is what he calls the hacker mindset. Not hacking in the criminal sense. Hacking as in: approaching problems with curiosity, irreverence toward convention, and a bias toward building rather than theorizing. Hackers don't ask for permission to create value. They just build, test, and iterate. That disposition, more than any credential or connection, is what Graham believes separates founders who generate real wealth from those who merely talk about it. Here is what all of this adds up to, and it is worth holding onto: wealth is the direct result of providing value that other people genuinely want, and a startup is the most efficient mechanism ever designed for compressing a lifetime of that value creation into just a few years. The confusion between money and wealth isn't just a semantic error. It is a strategic one. Clear that up, and the entire logic of building a high-growth company snaps into focus.