But it will lead where reason fails.

It is not limited by intellectual limitations, though it does not underrate or neglect the achievements of the intellect.

Faith enables life to "maintain itself against a hostile or indifferent world; ...

it holds itself fast to invisible facts against the hard opposition of visible existence." The vital importance of such faith to religion is clearly evident; and bound up with this is the significance of doubt.

Doubt, too, becomes now, not an intellectual matter, but a matter for the whole of life.