Talking doesn't teach me anything. I only learn when I listen.

This phrase connects us with The Asymmetry of Information Exchange.
Often attributed to Larry King (and echoing the Dalai Lama), this quote highlights a simple mechanical truth about the human brain: it cannot broadcast and record at the same time. Speaking is an act of output; listening is an act of input.
1. Replaying the Hard Drive vs. Downloading Updates
Talking: When you speak, you are merely repeating what you already know. You are accessing existing data files in your brain and broadcasting them. It validates what you are, but it adds nothing to what you could be.
Listening: This is the only way to upgrade your software. It is the act of downloading new perspectives, facts, and experiences from an external source. If you are always transmitting, your database remains static and eventually becomes obsolete.
2. The Opportunity Cost of the Ego
We often talk to satisfy our ego: to prove we are smart, to win an argument, or to control the narrative.
The price of this satisfaction is ignorance. Every minute you spend dominating a conversation is a minute you sacrificed the opportunity to learn something you didn't know. You are trading growth for validation.
3. The World as a Library
"I only learn when I listen."
Every person you meet knows something you don't. The janitor knows things about the building the CEO doesn't; the child knows things about imagination the adult has forgotten.
If you view every interaction as a chance to read a "living book," you become wiser every day. If you view interactions as a chance to read your book to others, you stay exactly where you are.
Golden Rule: Treat your voice as a tool for sharing, but treat your ears as a tool for survival. Enter every room with the assumption that you are the student, not the teacher. The smartest person in the room is usually the one taking notes, not the one holding the microphone.