The latter talent is properly speaking what is called spirit; for to express the ineffable element in the state of mind implied by a certain representation and to make it universally communicable — whether the expression be in speech or painting or statuary — this requires a faculty of seizing the quickly passing play of Imagination and of unifying it in a concept (which is even on that account original and discloses a new rule that could not have been inferred from any preceding principles or examples), that can be communicated without any constraint [of rules].

If after this analysis we look back to the explanation given above of what is called genius, we find: first, that it is a talent for Art, not for Science, in which clearly known rules must go beforehand and determine the