Victor Pelevin. Empire V (№ 146912)

We can say that our world is inhabited by two drug addicts who take the strongest psychotropics with very different effect. They see diametrically opposed to hallucinations, but needs to spend time next to each other. Therefore, for many centuries, they not only learned to work together to catch a fundamentally different drugs, and has also developed an etiquette that allows them to behave as if they really understood each other, although the same words usually mean to them is different.