What do different traditions teach about solitude and silence?
Solitude and silence show up as deliberate spiritual disciplines across traditions that otherwise differ sharply on doctrine. The Christian Desert Fathers and Mothers, monks and hermits who withdrew to the Egyptian and Syrian deserts starting in the third century, treated withdrawal not as escape but as confrontation: a well-known saying has a younger monk ask Abba Moses for guidance, and Moses answers simply, “Go, sit in your cell, and your cell will teach you everything.” The point was that the isolated cell strips away distraction until a person has to face their own thoughts, considered the necessary first step toward deeper communion with God. Buddhist monastic tradition treats silence similarly, though aimed at a different goal: meditation retreats built around extended silence are designed to quiet what is sometimes called the mind's constant inner chatter, creating the stillness needed to observe thought and sensation clearly rather than being carried along by them, in service of insight into impermanence and non-self rather than union with a personal God. Jewish contemplative practice has its own thread here too, in Kabbalistic and Hasidic meditation techniques that use silence and withdrawal to prepare for prayer. Across all three, solitude is not treated as loneliness or withdrawal from responsibility to others; it's treated as training, a temporary emptying-out that is supposed to change how a person shows up once they return to ordinary life and its noise.
Source: Desert Fathers sayings (Apophthegmata Patrum); Buddhist monastic meditation tradition