自戒

1. Origins, structure, and basic meaning

• Structure: 自戒(じかい) means cautioning or admonishing oneself to avoid doing wrong.
• Basic usage: It is used when reminding oneself to maintain an attitude such as humility or attentive listening.

2. Common pitfalls and similar expressions

• Reflection and self-admonition
  • 反省(はんせい) focuses on looking back at one's own conduct.
  • 自戒 focuses on reminding oneself to remain careful going forward.
• The role of 込めて
  • 自戒を込めて means with an intention of reminding or cautioning oneself. In the example, the writer puts that intention into a notebook entry.