the clearest way into the universe is through a forest wilderness
John MuirThe knowledge of an unlearned man is living and luxuriant like a forest
but covered with mosses and lichens
and for the most part inaccessible and going to waste;
the knowledge of the man of science is like timber
collected in yards for public works,
which still supports a green sprout here and there,
but even this is liable to dry rot.