[Anson and Garrad have explained they must go and calculate the height.]
Thomas Twp Too: And how d'you know later?
Anson: Well, w-we've made, um, we've made measurements with those two hills, and w-we already know the height of Newton Beacon and Whitchurch Hill...
Thomas Twp: But how were they measured?
Anson: The same way, by comparing them with other hills.
Thomas Twp Too: But who measured the first hill?
Rev. Robert Jones: [whispering] God. God, my boy. God.
  
  
  
  
  
   
  
  
Thomas Twp Too: And how d'you know later?
Anson: Well, w-we've made, um, we've made measurements with those two hills, and w-we already know the height of Newton Beacon and Whitchurch Hill...
Thomas Twp: But how were they measured?
Anson: The same way, by comparing them with other hills.
Thomas Twp Too: But who measured the first hill?
Rev. Robert Jones: [whispering] God. God, my boy. God.
 [Anson and Garrad have explained they must go and calculate the height.]  
 Thomas Twp Too : And how d'you know later? 
 Anson : Well, w-we've made, um, we've made measurements with those two hills, and w-we already know the height of Newton Beacon and Whitchurch Hill... 
 Thomas Twp : But how were they measured? 
 Anson : The same way, by comparing them with other hills. 
 Thomas Twp Too : But who measured the first hill? 
 Rev. Robert Jones :  [whispering]  God. God, my boy. God. 
http://www.moviequotedb.com/movies/englishman-who-went-up-a-hill-but-came-down-a-mountain-the/quote_45927.html