We who live in prison, and in whose lives there is no event but sorrow, have to measure time by throbs of pain, and the record of bitter moments.
Source: De Profundis, (1905). Wilde himself spent two years in prison.
-- Oscar Wilde, (Oct 16 1856-1900), Anglo-Irish playwright, novelist; He was noted for his flamboyant witty, sophisticated plays, e.g., The Importance of Being Ernest, 1895.