The intent here is to gain a clearer perception of humanity. Where we've been, where we're going, the pitfalls and the possibilities, the perils and the promise. Perhaps even an answer to that universal question, 'Why?'

Dr. Emmett Brown (Christopher Lloyd)

11 seconds sound clip from the Back to the Future Part II movie soundboard.

You can hear this line at 00:24:45.493 in the Blu-ray version of the movie.

Quote context

[...]

- Hi, Einie. Hi, buddy.

- What's this?

- It's a souvenir.

- 50 years of sports statistics. Hardly recreational reading material, Marty.

- Well, hey, Doc, what's the harm in bringing back a little info on the future? You know, maybe we could place a couple bets.

- Marty, I didn't invent the time machine for financial gain!

- The intent here is to gain a clearer perception of humanity. Where we've been, where we're going, the pitfalls and the possibilities, the perils and the promise. Perhaps even an answer to that universal question, 'Why?'

- Hey, Doc, I'm all for that. What's wrong with making a few bucks on the side?

- I am going to put this in the trash.

- Great Scott!

- McFly, Jennifer Jane Parker, 3793 Oakhurst Street, Hilldale, age 47.

[...]