Sandberg closed her speech by connecting her personal experiences to Facebook's internal culture. She described the company's red posters: 'Fortune favors the bold' and 'What would you do if you weren't afraid?' — the latter echoing Barnard alumna Anna Quindlen, who had said she 'majored in unafraid.' This closing message distilled the entire speech into a single actionable principle: the difference between internal and external barriers. External barriers — discrimination, bias, unequal pay — are real and must be fought. But internal barriers — self-doubt, fear of failure, the reluctance to own your own success — are the ones you can control. Sandberg had shared her own vulnerability throughout the speech: crying alone when anonymous bloggers attacked her, doubting her own success at every stage. The message was not that fear goes away, but that courage means refusing to let it make your decisions for you.