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

663  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.

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

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

614  The survival of artistic modes in which we recognize ourselves, identify ourselves and place ourselves will survive as long as humanity survives.