Dr Johnson once boasted that he could recite from memory whole chapters from Horrebow’s Natural History of Iceland, for example Chapter LXXII. The title and text of the chapter simply reads:
Concerning Snakes.
There are no snakes to be met with throughout the whole island.
Knowledge Guild 
He must have been the life of the party.
Hm. sort of underwhelming quotation-wise. Rather like the Kenyan naturalist, who trying to say something meaningful about a clump of orange flowering aloes near our campsite, suggested to me that their presence indicated an absence of elephants. It was both heartening and disappointing all at once.