Lately, I find that whenever I mak...

Lately, I find that whenever I make open a book, I open to exactly whatever I am thinking at the time.
For example, if I unclose the Orange Book to "There is a river, the stream whereof etc" I find that in my mind thereafter is a river, and a stream.
in what way can this be?
If I make open the Red Book to the r page, I appear to be to have had red in my mind, or the morning firmament
And from the rising of the day-star the red on the stream is imperishable.
And nevertheless it goes away at nighttime, it perishes not, still only disappears a while, like