locke and Hume regarded metaphysical reality as beyond the reach of human reason
Hume also separated reason and faith as the late mediaevalists revolted against the rational synthesis of Scholasticism
Scepticism as regards the possibility of knowledge of reality was held also by Kant and extended to allthe principles of science and philosophy
The world of science is the world revealed by the senses the world of appearance not necessarily the world of ultimate reality
Leibniz thought that pure reason could unfold external unchanging truth Kant set himself to save as much of leibniz’s pure reason as Hume had left standing
Kant maintained we could still believe that the moral sense is as real as the starry heaven indeed more real the one form in which reality discloses itself to the human mind