We advance in years somewhat in the manner of an invading army in a
barren land; the age that we have reached, as the phrase goes, we but
hold with an outpost, and still keep open our communications with the
extreme rear and first beginnings of the march. There is our true base;
that is not only our beginning, but the perennial spring of our faculties;
and grandfather William can retire upon occasion into the green enchanted
forest of his boyhood.

		~ Robert Louis Stevenson