War is the greatest plague that can afflict humanity, it destroys religion, it destroys states, it destroys families. Any scourge is preferable to it.

Those with prodigious skill in music are better suited for all things.

God's love does not love that which is worthy of being loved, but it creates that which is worthy of being loved.

Medicine makes people ill, mathematics make them sad and theology makes them sinful.

The law of God cannot be fulfilled by external obedience.

As long as a man is persuaded that he can make even the smallest contribution to his salvation, he remains self-confident and does not utterly despair of himself, and so is not humbled before God. Such a man plans out for himself a position, an occasion, a work, which shall bring him final salvation, but which will not.

I have done nothing; the Word has done and accomplished everything.... I let the Word do its work!