Under all speech that is good for anything there lies a silence that is better. Silence is deep as Eternity; speech is shallow as Time.

Thomas Carlyle (1795–1881) Scottish essayist and historian

Essay (1837-12-06), “On Sir Walter Scott,” The London and Westminster Review, No. 12/55, Art. 2 (1838-01)
    (Source)

Review of J. G. Lockhart, Memoirs of the Life of Sir Walter Scott, Baronet, 6 vols. (1837). Collected in Carlyle, Critical and Miscellaneous Essays (1827-1855).