They All Walked Aristotle taught while walking the covered walkways of his Lyceum, pacing back and forth with students who came to be called the Peripatetics, the walkers. Nietzsche claimed that all truly great thoughts are conceived while walking, and he composed much of his philosophy during solitary treks through the Swiss Alps. Darwin installed a gravel path at Down House specifically for daily contemplative circuits, calling it his "thinking path" and crediting it with h