The Dalai Lama has sent a message of support for Armed Forces Day, which is next Saturday. In it, he writes of his admiration for the military. That is perhaps not so surprising. As he explains, there are many parallels between being a monk and being a soldier – the need for discipline, companionship, and inner strength. But his support will take some of his western admirers by surprise, not least when it comes to his thoughts on non-violence. Attitudes towards violence in Buddhism are enormously complex. There are some traditions that argue aggression, and killing in particular, is always...