“[The invisible man said: ]"After a time I crawled home, took some food and a strong dose of strychnine, and went to sleep in my clothes on my unmade bed. Strychnine is a grand tonic, Kemp, to take the flabbiness out of a man."----"It's the devil," said Kemp. "It's the palaeolithic in a bottle."--"I awoke vastly invigorated and rather irritable. You know?"----"I know the stuff.”

Source: Wikiquote