[Connor looks around, examining everything. The only familiarity he has with engines is the Fire Nation machinery he's sabotaged in the past, and even so, that pales in comparison to this.]

With an engine like this, you do not have to be answerable to the wind or the currents. It is like the people of your time have mastered the elements with these inventions... even without bending.

[Which seems like a very obvious observation, now that he says it out loud, but these are all incredibly new revelations to him.]