Hesychia
The Greek term hesychia is a concept that can be translated as "stillness, rest, quiet, silence".
In Christianity
In the Eastern Orthodox Christian mystical tradition of hesychasm, hesychia refers to a state of stillness and peace that is obtained through extreme ascetical struggle, prayer, and the constant contemplation of God. The attainment of hesychia is a central theme discussed in hesychast literature.Chapter 2 of the Sayings of [the Desert Fathers#Systematic Sayings|Systematic Sayings of the Desert Fathers] is dedicated to the topic of hesychia.