Michael S. Roth is the president of Wesleyan University. His most recent book is “Memory, Trauma, and History: Essays on Living With the Past.”

Andrew Delbanco must be a great teacher. A longtime faculty member at Columbia, he is devoted to the development of his students as individuals, and recognizes that their time in college should be formative: “They may still be deterred from sheer self-interest toward a life of enlarged sympathy and civic responsibility.” Like most professors devoted to teaching, he has no interest in telling undergraduates what to think, but he does want to draw them toward a sense of skepticism about the status quo and to a feeling of wonder about the natural world. College, he tells us, is a time to learn to “make connections among seemingly disparate phenomena,” to see things from another’s point of view and to develop a sense of ethical responsibility. At a time when many are trying to reduce the college years to a training period for economic competition, Delbanco reminds readers of the ideal of democratic education.

In “College: What It Was, Is, and Should Be,” he recalls this ­ideal’s roots in English and American Protestantism. In this country, education was never supposed to be only about imparting information. It has long included character development — turning the soul away from selfish concerns and toward community. Delbanco cites Emerson’s version of this turning: “The whole secret of the teacher’s force lies in the conviction that men are convertible. And they are. They want awakening.” Even secular teachers are trying to “get the soul out of bed, out of her deep habitual sleep.”...