SAL KHAN

You can educate at scale for free if you're willing to think differently about the business model.

Every student deserves a personal tutor. AI might finally make that possible.

Mastery-based learning means no student moves on until they actually understand. That single change would transform education.

I quit my hedge fund job to make YouTube videos about math. My family thought I was insane.

Education is not preparation for life. Education is life itself.

The return on investment in improving lives is the highest return you can earn.