We are human, and nothing is more interesting to us than humanity.

If you learn one thing from having lived through decades of changing views, it is that all predictions are necessarily false.

The theories of the major philosophers of the 18th century secular enlightenment were biblical and theological in spite of themselves.

We worked on solving the problem of voice communications in a noisy military environment. We established military codes that are highly audible and invented selection tests for personnel who had a superior ability to recognize sound in a noisy background.

We are human, and nothing is more interesting to us than humanity.

It's amazing how, age after age, in country after country, and in all languages, Shakespeare emerges as incomparable.

When I was a graduate student, the leading spirits at Harvard were interested in the history of ideas.