The German poet Christian Morgenstern once said that “all seagulls look as though their name were Emma.” Though Morgenstern was known for his nonsense poetry, there was truth in his suggestion that some linguistic labels are perfectly suited to the concepts they denote. “Dawdle” and “meander” sound as unhurried as the walking speeds they describe, and “awkward” and “gawky” sound as ungainly as the bodies they represent. When the Gestalt psychologist and fellow German Wolfgang Köhler read Morgenstern’s poem, in the nineteen-twenties, he was moved to suggest that words convey symbolic ideas beyond their meaning. To test the idea more carefully, he asked a group of respondents to decide which of the two shapes below was a maluma and which was a takete: