It is also needful to remember that the higher self can only be known by the higher part of the mind, that is, the intuition. The emotions are on a lesser and lower level, however noble or religious they may be. The immense satisfaction which the ecstatic raptures give is no indication that he is directly touching reality, but only that he is coming closer to it. They may seem purely spiritual, but they still belong to the ego's feeling nature and if he believes otherwise he will fall into self-deception. Only through the pure intuition, freed from emotional egoism and transcending intellectual illusion, can he really make a contact with the Overself. And that will happen in a state of utter and perfect tranquillity; there will be none of the emotional excitement which marked the successful practice of the earlier stage of meditation exercises.
-- Notebooks Category 22: Inspiration and the Overself > Chapter 1 : Intuition the Beginning > # 222