We advance in years somewhat in the manner of an invading army in a barren land; the age that we have reached, as the saying goes, we but hold with an outpost, and still keep open communications with the extreme rear and first beginnings of the march.
Robert Louis StevensonYou start a question, and it's like starting a stone. You sit quietly on the top of a hill; and away the stone goes, starting others.
Robert Louis Stevenson