Macarius the Great (the Egyptian) (c. AD 300 -390) was one of the most famous Desert Fathers, and one of the pioneers of Scetis.

“The heart is but a small vessel; and yet dragons and lions are there, and there likewise are poisonous creatures and all the treasures of wickedness; rough, uneven paths are there, and gaping chasms. There also is God, there are the angels, there life and the Kingdom, there light and the apostles, the heavenly cities and the treasures of grace: all things are there.” (Homilies 43:7)