Paul Graham argues that even a brief stay in Silicon Valley offers founders unparalleled access to elite peers, accelerated investor feedback, and serendipitous learning opportunities — all of which recalibrate ambition and execution speed. He highlights the region’s distinctive 'pay-it-forward' culture, where rapid success fosters deep empathy and untracked generosity, exemplified by figures like Ron Conway. For emerging ecosystems like Stockholm, Graham proposes a powerful model: send founders to YC — a condensed, high-fidelity version of Silicon Valley — to absorb its norms, then return home to transplant those values, strengthen local networks, and accelerate decision-making. While returning alumni may not always build unicorns themselves, their influence multiplies across the domestic startup landscape. Finally, he positions Stockholm not as a distant aspirant, but as a city already possessing key ingredients — talent appeal, infrastructure, and momentum — potentially closer than most realize to becoming Europe’s self-sustaining innovation hub.