The human mind is fortunate in this, that it has a connection with the Divine Mind. It can become his spiritual teacher and moral guide. But he must be careful: first, not to mix his own opinion with what he receives; second, and not less but more important, to put himself through a preparatory and purificatory discipline to make the connection vitalized.

-- Notebooks Category 25: World-Mind in Individual Mind > Chapter 1: Their Meeting and Interchange > # 44