Wisdom can only be gained by making countless mistakes. Goethe states: “The human being errs while he strives.” In the same way that a child learns that it hurts to fall, all the great personalities had to learn through experience when making mistakes. Wisdom can only be gained by making mistakes.
Source: Rudolf Steiner – GA 88 – Über die astrale Welt und das Devachan – Berlin, December 2, 1903 (page 86)
Translated by Nesta Carsten-Krüger