- Narrator: [immediately following the Civil War] Now, the men and machines that fought the war fight for a new cause - progress.
- Narrator: [Mitsubishi founder forsakes his topknot] He enters the barber shop a Samurai, he leaves an entrepreneur.
- Brian Willams: The invention of photography and the means to get them in front of people, held more power than its inventors ever dreamed. Photos don't blink, and they don't go away. Once you've seen that image, you can't rewind.
- Brian Willams: The expression, a picture's worth a thousand words, that's a low-ball estimate. A picture, a good picture, is worth so much more than that.
- Dr. Ali S. Khan: There's an age-old tussle between microbes and man. This war has been an invisible war. We don't see them, they're too small, but collectively they're quite intelligent and quite crafty.