"Then only will you see it, when you cannot speak of it; for the knowledge of it is deep silence, and suppression of all the senses. […] Knowledge differs greatly from sense-perception. Sense-perception takes place when that which is material has the mastery; and it uses the body as its organ, for it cannot exist apart from the body. But knowledge is incorporeal; the organ which it uses is the mind itself."
"our capacity even to see, hear, touch, taste and smell is so shrouded in veils of mystification that an intensive discipline of un-learning is necessary for anyone before one can begin to experience the world afresh, with innocence, truth and love."