2 Quotes by St. Isaac of Ninivah

This life has been given to you for repentance; do not waste it in vain pursuits

The course of your reading should be parallel to the aim of your way of life…Most books that contain instructions in doctrine are not useful for purification. The reading of many diverse books brings distraction of mind upon you. Know, then that not every book that teaches about religion is useful for the purification of the consciousness and the concentration of the thoughts.