Page:Ferrier's Works Volume 1 - Institutes of Metaphysic (1875 ed.).djvu/223

PROP. VI.————

cannot deal with abstractions. Abstract thinking is a contradiction, and has no place in the economy of the intellect. Such thinking is only apparent—never real. All knowledge and all thought are concrete, and deal only with concretions—the concretion of the particular and the universal. What the particular and the universal are, which constitute the concrete reality of cognition, is declared in the next proposition.