Building a stable ‘abode of thought’: Kant’s rules for virtuous thinking

As a philosopher, I specialize in the Enlightenment thinker Immanuel Kant, who had volumes – literally – to say about virtuous actions. What I find fascinating, however, is that Kant also believed people can think virtuously, and should. Above: A late 18th-century portrait of Kant, possibly by Elisabeth von Stägemann.