"True silence is the rest of the mind, and is to the spirit what sleep is to the body, nourishment and refreshment."
- William PennWilliam Penn was a well-known person in 17th-century England who made important contributions to politics and religion in addition to leaving behind insightful life lessons. The idea of silence, which he likened to sleep for the body, is one of his most perceptive ideas. Penn thought that mental sti…