Passages I keep in my notebook.

• One friend should therefore attempt…Aelred of Rievaulx, Spiritual Friendship, Book 3, "The Requirements for Unbroken Friendship," §§105–106.
• It is wonderful that God…From the treatise "On the Mysteries" by St Ambrose, bishop, “To the newly baptized on the Eucharist”
• We are led also to…From St. Thomas Aquinas’s commentary on the Apostles’ Creed, Article I
• There are those, however, who…From St. Thomas Aquinas’s commentary on the Apostle’s Creed, Article I
• “Do you, however, using all…From a commentary of St. Bede the Venerable on 2 Peter 1
• Our incensive power is also…St. Evagrios the Solitary, On Discrimination §§ 15.16.
• Because humility is by nature…St Hesychios the Priest, “On watchfulness and holiness”, §§. 63-65
• He who always concentrates on…St. Hesychios the Priest: On Watchfulness and Holiness §§ 68.70-71.79.
• A single sinner, says the…St. Hesychios the Priest, On watchfulness and holiness. ss. 36-41.
• Watchfulness is like Jacob’s ladder…St. Hesychios the Priest, On Watchfulness and Holiness, §§ 51–53.
• If a man does not…St. Hesychios the Priest “On watchfulness and holiness”, §§. 86.88.90.
• When the cares of life…From the third ascetical homily by St. Isaac of Nineveh
• Train yourself to honor every…From the fifth mystical treatise by St. Isaac of Nineveh (tr. Claude). pp. 79-80.
• Of what does the difference…From the third mystical treatise of St. Isaac of Nineveh, § 11.
• So continually upbraid yourself, O…From the sixteenth ascetical homily by St. Isaac the Syrian, p. 211
• The demons cunningly withdraw for…St. Isaiah the Solitary, On Guarding the Intellect, ss. 11-12.14.
• Many people seek to flee…Thomas Kempis, from The Imitation of Christ
• The brethren should conduct themselves…From the third homily of St. Macarius of Egypt, ss. 1-3.
• Still, to uproot sin and…From the fifth spiritual homily by St. Macarius of Egypt, § 4.