Friedrich Schiller Quotes about Truth

Friedrich Schiller, Elizabeth Mary Wilkinson, Leonard Ashley Willoughby (1967). “Schiller: Aesthetic education”, Oxford University Press, USA
"Don Carlos". Play by Friedrich Schiller, IV. 21. 186, 1783-1787.
Friedrich Schiller (1852). “Poems and Ballads ... translated by Sir E. B. Lytton ... With a brief sketch of Schiller's life”, p.147