INK, n. A villainous compound of tannogallate of iron, gum-arabic, and water, chiefly used to facilitate the infection of idiocy and promote intellectual crime.
There is no room for the impurities of literature in an essay.... the essay must be pure--pure like water or pure like wine, but pure from dullness, deadness, and deposits of extraneous matter.
Even a vortex is a vortex in something. You can't have a whirlpool without water; and you can't have a vortex without gas, or molecules or atoms or ions or electrons or something, not nothing.