The relatively limited reputation enjoyed in his own time and to-day by Friedrich Krause (born in Eisenberg 1781; habilitated in Jena 1802; lived privately in Dresden; became a Privatdocent in Göttingen from 1824; and died at Munich 1832; Prototype of Humanity, 1812, and numerous other works) has been due, on the one hand, to the appearance of his more gifted contemporary Hegel, and, on the other, to his peculiar terminology.

" Besides hearing these University lectures, Cairns read German philosophy and theology for nine or ten hours daily, took lessons in Hebrew from a young Christian Jew named Biesenthal, and in these short winter months acquired such a mastery of German as a spoken language that in the spring he was urged by Professor Tholuck of Halle to remain and qualify as a Privatdocent at a German University.