From Stanford University:
Annotated transcript
Previously:
Peter Thiel at Y Combinator's Online Stanford Class: How to Start a Startup-Lecture 5
Y Combinator's Online Stanford Class: "How to Start a Start-up"--Lecture 4
Paul Graham at Y Combinator's Online Stanford Class: How to Start a Startup-Lecture 3
Y Combinator's Online Stanford Class: "How to Start a Start-up"--Lecture Two
Y Combinator's Online Stanford Class: "How to Start a Start-up"--Lecture One