The first thing, which even the ancient Greek philosophers emphasise, is that one who can only think well, who is only intellectual, who will only understand things by merely thinking and philosophising, cannot enter the spiritual worlds.
Source (German): Rudolf Steiner – GA 143 – Erfahrungen des Übersinnlichen / Die drei Wege der Seele zu Christus – Zürich, January 15,1912 (page 53-54)
Anonymous translator
Art of Carol Herzer
http://www.soul-guidance.com/omcarol/index.htm
Previously posted on 22 January 2017