A short, first-person YouTube narrative in which the speaker (Blair Singer) recounts an early career public-speaking failure: he pretended expertise on building successful businesses, was publicly challenged during a talk to ~100 people, froze, and left. He learned a lasting lesson: only speak from your own experience because experiential claims are indisputable.
Many people are afraid of public speaking. Many people feel it's greater than the fear of death. And I can tell you I understand it. Because in my very beginning of my career, when I got in front of a group of people once, very early on, I pretended to know something that I didn't know. I was talking to people about how to make millions of dollars and how successful businesses were built. And I'd never really ever done it myself. I had read about it, but never did it. And in the middle of the program, a gentleman stood up in front of 100 people and said, you have no idea what you're talking about. And I immediately froze. I walked away from that program, diminished. I said, I'm never going to speak again. This is horrible. But once I came to my senses, I realized he taught me a very powerful lesson. The lesson is this. You can speak about anything to anybody as long as you know what you're talking about, as long as you have some experience, because nobody can ever argue with your actual experience. Follow that.