The hope was that speaking and thinking in Lojban would amplify ones effective intelligence. The Sapir—Whorf hypothesis has been explored in several SF novels. In the SF story "Gulf" by Robert Heinlein mentioned above , the Speedtalk language allows the user to manipulate symbols about seven times as faster than an English thinker. In George Orwell's novel , the language Newspeak was invented as yet another tool for the totalitarian government to oppress the people.