Demonstration Quote by Georg C. Lichtenberg
“I have often noticed that when people come to understand a mathematical proposition in some other way than that of the ordinary demonstration, they promptly say, "Oh, I see. That's how it must be." This is a sign that they explain it to themselves from within their own system.”
About This Quote
Source Essay: Reflections on Science, 1765
Understanding a proposition in a personal way leads to instant confidence, showing internalization of the idea.
In simple terms: Personal insight creates confidence.
Trust your own reasoning.
Themes
Mood
Type
When to use this quote
- studying math
- self‑teaching
- problem solving
Key Concepts
Questions to Reflect On
- How does internal explanation differ from formal proof?
- When might confidence be misplaced?
May overlook hidden flaws if not externally checked.