Many wonder about the nature of the mind. Here is an excerpt from ‘Who Am I’, a little book with questions put to Sri Ramana Maharshi and his answers:
“What is the nature of the mind?”
“What is called the ‘mind’ is a wondrous power residing in the Self. It causes all thoughts to arise. Apart from thoughts, there is no such thing as mind. Therefore, thought is the nature of mind. Apart from thoughts, there is no independent entity called the world. In deep sleep there are thoughts, and there is no world. In the states of waking and dream, there are thoughts, and there is world also.
Just as the spider emits the thread (of the web) out of itself and again withdraws it into itself, likewise the mind projects the world out of itself and again resolves it into itself.”