First published in 1905, The Varieties of Religious Experience is a collection of lectures given at the University of Edinburgh in 1901 and 1902. William James was a psychologist and, as such, his interest in religion was not that of a theologian but of a scientist. In these twenty lectures, he discusses the nature and origin of religious belief. The average believer is one who has inherited his religion, but this will not do for James's inquiry....

"Arm yourself against my dawn, which may at any moment cast you and Harry into obscurity, Alice James writes her brother William in 1891. In Judith Hooper's magnificent book, zingers such as this fly back and forth between the endlessly articulate and letter-writing Jameses, all of whom are geniuses at gossiping. And the James family did, in fact, know everyone intellectually important on both sides of the Atlantic, but by the time we meet her in...

The "Long Debate" on the nature of truth, the scale of real values, the life one should aspire to live, the character of justice, the sources of law, and the terms of civic and political life is encompassed by the name philosophy. Three persistent themes--understood as problems--are knowledge, conduct, and governance, on which there is a storehouse of insights, some so utterly persuasive as to have shaped thought itself. Beginning with Plato and Aristotle,...