When thinking, the spiritual researcher does not only ask himself whether the thought is logical, but makes sure it conforms to reality. That is his criterion for adopting a thought. He only accepts an idea when this idea is in line with reality.
Source (German): Rudolf Steiner – GA 324a – Die vierte Dimension – Dornach, April 7, 1921 (page 202)
https://odysseetheater.org/GA/Buecher/GA_324a.pdf#view=Fit
Anonymous translator
This lecture is also in RS Archive: https://rsarchive.org/Lectures/GA324a/English/AP2001/19210407q01.html
Art of Carol Herzer
Previously posted on 22 December 2017
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