First of all, they'll see that ditch.
4 seconds sound clip from the The Magnificent Seven (1960) movie soundboard.
You can hear this line at 01:08:40 in the Blu-ray version of the movie.
Quote context
[...]
- You worry about yourself. Are you ready for him? What if he comes now, eh?
- It reminds me of that fella back home who fell off a ten-storey building.
- As he was falling, people on each floor heard him say 'So far, so good.'
- First of all, they'll see that ditch.
- Hey, Chris... what about that net, eh?
- Well, if he's not looking for it... if he rides in unsuspecting.
[...]