With any actor, if you know your character well enough, you'll know pretty much what he would say under any circumstance, or whatever situation might rear its head.
“Now the thing about having a baby - and I can't be the first person to have noticed this - is that thereafter you have it.”
“The country has been of better character since leaving the Buttes than E. of them, but has now a very fertile appearance. This may be said to begin about the 3rd crossing of Milk R of the line.”