“We now concern ourselves with a labor less spectacular but nevertheless not unrewarding: that of making the terrain for these majestic moral edifices level and firm enough to be built upon; for under this ground there are all sorts of passageways, such as moles might have dug, left over from reason's vain but confident treasure hunting, that make every building insecure. (A319/B377)” MolesEdificesKant Kant Write Book:Critique of pure reason Source: Critique of pure reason