The too perfect security of the Upper-worlders had led them to a slow movement of degeneration, a general dwindling in size, strength, and intelligence.
Perfect wisdom has four parts: Wisdom, the principle of doing things aright. Justice, the principle of doing things equally in public and private. Fortitude, the principle of not fleeing danger, but meeting it. Temperance, the principle of subduing desires and living moderately.
But he could not taste, he could not feel. In the teashop among the tables and the chattering waiters the appalling fear came over him- he could not feel. He could reason; he could read, Dante for example, quite easily…he could add up his bill; his brain was perfect; it must be the fault of the world then- that he could not feel.