The Holy Spirit is no skeptic. He has written neither doubt nor mere opinion into our hearts, but rather solid assurances, which are more sure and solid than all experience and even life itself.

Whatever you love most, that is your god.

The multitude of books is a great evil. There is no limit to this fever for writing; every one must be an author; some out of vanity, to acquire celebrity and raise up a name, others for the sake of mere gain.

My dear pope, I will kiss your feet and acknowledge you as supreme bishop if you will worship my Christ and grant that through His death and resurrection, not through keeping your traditions, we have forgiveness of sins and life eternal.

I should have no compassion on these witches; I should burn them all.

When Satan tells me I am a sinner he comforts me immeasurably, since Christ died for sinners.

This is the reason why our Theology is certain: because it seizes us from ourselves and places us outside ourselves.