We have known many fine geniuses with that imperfection that they cannot do anything useful, not so much as write one clean sentence. ‘Tis worse, and tragic, that no man is fit for society who has fine traits. At a distance he is admired, but bring him hand to hand, he is a cripple. One protects himself by solitude, and one by courtesy, and one by an acid, worldly manner, each concealing how he can the thinness of his skin and his incapacity for strict association.