This same will has at its service an apparently opposed impulse of the spirit, a suddenly adopted preference of ignorance, of arbitrary shutting out, a closing of windows, an inner denial of this or that, a prohibition to approach, a sort of defensive attitude against much that is knowable, a contentment with obscurity, with the shutting in horizon, an acceptance and approval of ignorance: as that which is all necessary according to the degree of its appropriating power, its digestive power, to speak figuratively (and in fact the spirit resembles a stomach more than anything else).