Mozart's music always sounds unburdened, effortless, and light. This is why it unburdens, releases, and liberates us.

The theologian who labours without joy is not a theologian at all.

Faith is never identical with piety even if it were the purest and finest.

The Spirit bears witness. Ecstasy and enlightenment, inspiration and intuition are not necessary. Happy is the man who is worthy of these; but woe unto us if we wait for such experiences; woe unto us if we do not perceive that these things are of secondary importance.

To be a Christian and to pray are one and the same thing; it is a matter that cannot be left to our caprice. It is a need, a kind of breathing necessary to life.

The theologian who labors without joy is not a theologian at all. Sulky faces, morose thoughts and boring ways of speaking are intolerable in this field.

No act of man can claim to be more than an attempt, not even science.