Clever men are good, but they are not the best.

Thomas Carlyle (1795-1881) Scottish essayist and historian

“Goethe,” Foreign Review No. 3 (1828-08)
    (Source)

Reviewing Goethe's Sämmtliche Werke, Vollständige Ausgabe Letzter Hand (1827). Reprinted in Carlyle, Critical and Miscellaneous Essays (1845).