First delight, then instruct.Karl Friedrich Schinkel and Gustav Friedrich Waagen in "On the Purpose of the Berlin Gallery" [Über die Aufgabe der Berliner Galerie] (1828); occasionally attributed to von Humboldt, who had quoted Schinkel and Waagen in a report.
To the glory of the most high God, and that my neighbour may be benefited thereby. Epigraph to the Orgelbüchlein, cited from Carl Hermann Bitter Johann Sebastian Bach (Berlin: Ferdinand Schneider, 1865), vol. 1, p. 145; translation from Rush Rhees (ed.) Ludwig Wittgenstein: Personal Recollections (Oxford: Basil Blackwell, 1981), p. 182.