“Tolstoy had also been in his sixties when he learned how to ride a bicycle. He took his first lesson exactly one month after the death of his and Sonya’s beloved youngest son. Both the bicycle and an introductory lesson were a gift from the Moscow Society of Velocipede-Lovers. One can only guess how Sonya felt, in her mourning, to see her husband teetering along the garden paths. ‘Tolstoy has learned to ride a bicycle,’ Chertkov noted at that time. ‘Is this not inconsistent with Christian ideals?'”

—Elif Batuman, The Possessed, and I can’t help but notice the way many transportation options take on a moral dimension in the eyes of many commentators.