He has reached the subtlest area of the mind's journey. For what is to be done now must be done without bringing the ego into it, without the consciousness as a background that he is trying to do it. This may appear impossible and is certainly paradoxical. It is, however, accomplished by a process of letting go, negative rather than positive. It is a passive letting-do.
-- Notebooks Category 23: Advanced Contemplation > Chapter 7: Contemplative Stillness > # 239