"Abba Macarius said to Abba Zachariah: “Tell me, what is the task of the monk?” “You are asking me, father?” he said, and Abba Macarius said: “I have full confidence in you, Zachariah my son, for there is somebody inciting me to ask you.” Abba Zachariah said to him: “In my opinion, to constrain oneself in all things: that is being the monk.”"