It is sufficiently humiliating to our nature to reflect that our knowledge is but as she rivulet, our ignorance as the sea. On points of the highest interest, the moment we quit the light of revelation we shall find that Platonism itself is intimately connected with Pyrrhonism, and the deepest inquiry with the darkest doubt.

Remarks on the Talents of Lord Byron and the Tendencies of Don Juan (ed. 1823)