 At first he considered a revival of Latin, but after learning it in school he decided it was too complicated to be a common means of international communication.When he learned English, he realised that verb conjugations were unnecessary, and that grammatical systems could be much simpler than he had expected.He still had the problem of memorising a large vocabulary, until he noticed two Russian signs labelled "Швейцарская" ("švejtsarskaja," a porter's lodge – from "швейцар" "švejtsar," a porter) and "Кондитерская" ("konditerskaja," a confectioner's shop – from "кондитер" "konditer," a confectioner).