Penza's law about math lessons
Source status: Attributed to Simone Penzavalle
The porter will knock at the door at the most crucial point of the lesson. Sent by Simone Penzavalle.
- Simone Penzavalle
In context
This law belongs with Murphy's Teaching Laws, where small assumptions, timing, and system complexity tend to turn into memorable failures.
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- Murphy's Teaching Laws Read more laws in this category.
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