So often it seems genius is coupled with illness, tragedy, and premature death. Whether it was delusion, betrayal, struggles ...

In his heyday—in the 15 years or so before the first world war—Bergson was the most famous man ... analysis of his philosophy. But it is also a good primer on his ideas, which are needed ...

Administrators can then resort to somewhat-more-than-social force to protect students from naughty ideas ... anything out of line.” Philosophers worry about their reputations.