---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/42828320.md"
description: "Don't easily expand your circle of competence ⭕️"
datetime: "2026-07-21T12:18:07.000Z"
locales:
  - [en](https://longbridge.com/en/topics/42828320.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/42828320.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/42828320.md)
author: "[junadv](https://longbridge.com/en/profiles/19174308.md)"
---

# Don't easily expand your circle of competence ⭕️…


## Comments (2)

- **佳昊札记 · 2026-07-21T12:41:15.000Z**: Watch Li Ka-shing and Buffett, don't watch those who just copy others' homework.
  - **junadv** (2026-07-21T13:31:38.000Z): Buffett has also been studying it 😁