Nevertheless, we may hope that, with the advance of social development, the faculty is continually gaining in precision and certainty.

And, indeed, this hope is already assured to us in the fact that the faculty has begun to criticise itself, to distinguish between an erroneous and a true form of its-operation.

In fact, all that has been here said about illusions of insight has involved the assumption that intellectual culture sharpens the power and makes it less liable to err..