There is on earth among all dangers, no more dangerous thing than a richly endowed and adroid reason, especially if she enters into spiritual matters which concern the soul and God. For it is more possible to teach an ass to read than to blind such a reason and lead it right; for reason must be deluded, blinded, and destroyed.

None can believe how powerful prayer is, and what it is able to effect, but those who have learned it by experience.

He that has but one word of God before him, and out of that word cannot make a sermon, can never be a preacher.

I have no use for cranks who despise music, because it is a gift of God. Music drives away the Devil and makes people joyful; they forget thereby all wrath, unchastity, arrogance, and the like. Next after theology, I give to music the highest place and the greatest honor.

Blessed is the man that hath not walked in the way of the Sacramentarians, nor sat in the seat of the Zwinglians, nor followed the Council of the Zurichers.

Jews and papists are ungodly wretches; they are two stockings made of one piece of cloth.

How great, therefore, the wickedness of human nature is! How many girls there are who prevent conception and kill and expel tender fetuses, although procreation is the work of God.