This way.
3 seconds sound clip from the How to Train Your Dragon movie soundboard.
You can hear this line at 01:06:30 in the Blu-ray version of the movie.
Quote context
[...]
- Dad, please. I promise you, you can't win this one!
- No, Dad. No. For once in your life, would you please just listen to me?
- You've thrown your lot in with them. You're not a Viking. You're not my son.
- Set sail! We head for Helheim's Gate.
- Thank you for summing that up. (2)
[...]