But however measurable, there is much more life in music than mathematics or logic ever dreamed of.

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.

Hope consists in asserting that there is at the heart of being, beyond all data, beyond all inventories and all calculations, a mysterious principle which is in connivance with me

Contemplation and wisdom are highest achievements and man is not totally at home with them.

Metaphysics is a science.

The dynamic element in my philosophy, taken as a whole, can be seen as an obstinate and untiring battle against the spirit of abstraction.

This detachment (poverty, chastity, etc.) must not be mere amputation; everything which is shaken off must be simultaneously found again at a higher level.