--- type: "Topics" locale: "zh-CN" url: "https://longbridge.com/zh-CN/topics/38894954.md" description: "In psychology, the Dunning-Kruger effect:The less competent people are, the less they realize their incompetence; the more foolish, the more confident.Applied to investing, it's the most painful truth:- Just entered the market a few days ago: Think you're a stock god, can make money even buying with your eyes closed.- Know a little bit: Dare to go all in, use leverage, chase meme stocks.- Those who truly understand: The more they learn, the more cautious they become; the more they do, the more conservative.The most dangerous combination in the stock market:Ignorance + Confidence + Guts- Smart people know they have blind spots, they diversify, cut losses, and go slow.- Fools think they know everything, dare to go all in.If you can see through this now, you've already beaten 90% of people.Because the first step in investing is not learning techniques, but admitting your ignorance, respecting the market, and controlling yourself.True maturity:Knowing you're ordinary, not overestimating your IQ, not gambling on luck, only making money by following the rules." datetime: "2026-02-26T00:10:23.000Z" locales: - [en](https://longbridge.com/en/topics/38894954.md) - [zh-CN](https://longbridge.com/zh-CN/topics/38894954.md) - [zh-HK](https://longbridge.com/zh-HK/topics/38894954.md) author: "[浩浩小课堂](https://longbridge.com/zh-CN/profiles/19784218.md)" --- > 支持的语言: [English](https://longbridge.com/en/topics/38894954.md) | [繁體中文](https://longbridge.com/zh-HK/topics/38894954.md) # In psychology, the Dunning-Kruger effect:The less …