Marjorie Perloff, among our foremost critics of twentieth-century poetry, argues that Ludwig Wittgenstein provided writers with a radical new aesthetic, a key to recognizing the inescapable strangeness of ordinary language. Taking seriously Wittgenstein's remark that "philosophy ought really to be written only as a form of poetry," Perloff begins by discussing Wittgenstein the "poet." What we learn is that the poetics of everyday life is anything...