Walking is a lecture by Henry David Thoreau first delivered at the Concord Lyceum on April 23, 1851. It was written between 1851 and 1860, but parts were extracted from his earlier journals. Thoreau read the piece a total of ten times, more than any other of his lectures. "Walking" was first published as an essay in the Atlantic Monthly after his death in 1862. He considered it one of his seminal works, so much so, that he once wrote of the lecture,...