I almost think that hope is for the soul what breathing is for the living organism. Where hope is lacking the soul dries up and withers.
On a grassroots level we say that man can touch more than he can grasp.
It is right that we be concerned with the scientific probity of metaphysics.
Metaphysics is a science.
Contemporary thinkers would say that man is continuously transcending himself.
But however measurable, there is much more life in music than mathematics or logic ever dreamed of.