The front-rank position which Indian yoga holds in the mystical world may easily make it the chief claimant to humanity's attention when humanity turns appreciatively towards mysticism. But such a position is itself partly the outcome of India's having retained the medieval way of life longer than the Western nations. There was plenty of mysticism in medieval Europe. It was India's failure to keep pace with Western intellectual and physical development that permitted her to retain her mystical predominance.
-- Notebooks Category 15: The Orient > Chapter 2: India > # 202