For the liberal state to accommodate a diversity of beliefs while having few positive convictions is one of the more admirable achievements of civilization.
When children are very young you read them books that are positive to help them go to sleep. But there comes a moment when they begin to understand the difficulties of the world. They know there are problems and the books they read should reflect that not gloss over them.
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But you cannot expect every writer to dwell on human suffering. I think my books do deal with grave issues. People who say they are too positive probably haven't read them.
