Chapter XLIX - On The Gloomy Darkness Which During Solitude Befalls Those Who Walk In The Discipline Of Knowledge
Chapter L - Short Sections Containing Various Considerations In Which Is Shown The Injury Caused By Foolish Zeal Under The Pretext Of Fear Of God And The Profit Originating In Quietness, Together With Other Subjects
Chapter LI - On The Three Degrees Of Knowledge And The Discrimination Between Their Service And Impulses And On The Faith Of The Soul And The Treasures Of Mysteries Hidden In It And To What Extent Worldly Knowledge In Its Means Is Opposed To The Simplicity Of Faith