---
type: "Topics"
locale: "en"
url: "https://longbridge.com/en/topics/40460127.md"
description: "A truly mature investor is not without optimism, but rather uses probability and position sizing to constrain their optimism.Because the market will never give you a higher win rate just because you really want it to."
datetime: "2026-05-06T07:47:04.000Z"
locales:
  - [en](https://longbridge.com/en/topics/40460127.md)
  - [zh-CN](https://longbridge.com/zh-CN/topics/40460127.md)
  - [zh-HK](https://longbridge.com/zh-HK/topics/40460127.md)
author: "[这是个好事儿啊](https://longbridge.com/en/profiles/22693739.md)"
---

# A truly mature investor is not without optimism, b…