“The best teachers are those who show you where to look, but don’t tell you what to see.” — Alexandra K. Trenfor

“A good teacher protects his pupils from his own influence.” — Bruce Lee

“Qui docet discit”

He who teaches, learns.

“Tell me and I forget, teach me and I may remember, involve me and I learn.” — Benjamin Franklin

Watch it. Do it. Teach it.

“When one teaches, two learn.” — Robert Half

The person who learns the most in any classroom is the teacher. When you teach someone you get to learn it twice. (教學相長)

A good teacher is a DJ for learning. They:

1. Sift what matters from everything else
2. Create the right mix for the occasion
3. Lead and respond to the audience

“Those who know, do. Those that understand, teach.” — Aristotle

• You don’t fully understand a thing until you try to explain/speak for it.
• Sometimes our gaps in understanding only become clear when we try to explain something to someone else.

Explain It To Me Like I’m 5 (ELI5)

The Protégé 1 Effect

(Chase et al. 2009)

The people who had to teach others about a subject would learn the material better themselves.

The Feynman Technique

1. Teach it to a child (ELI5).
2. Identify knowledge gaps.
3. Study to fill the gaps.
4. Teach it again.

The Feynman Razor

If someone uses a lot of complexity and jargon to explain something to you, they probably don’t understand it.

Teachable Agents