Conversation in a Court; Advocate and Witness

Advocate:- You must remember that a man's life depend on your evidence.
Witness:- I do remember it, sir.
Advocate:- Is your eyesight good?
Witness:- I have never had to wear spectacles, sir.
Advocate:- You are a women of fifty five?
Witness:- Fifty four, sir.
Advocate:- And the man you saw was on the other side of the road?
Witness:- Yes, sir.
Advocate:- And it was two o'clock in the morning.
You must have remarkable eyes!
Witness:- No, sir. There was moonlight, and when the man looked up, he had the lamplight on his face.
Advocate:- And you have no doubt whatever that the man you saw is the prisoner?
Witness:- No doubt, sir. It isn't a face one forgets.