"We should also understand the qualitative difference between concentration and attention.
Most of us know concentration.
We learn at school, in college, in university, to concentrate.
The boy looks out of the window and the teacher says, `Concentrate on your book.' And so we learn what it means.
To concentrate implies bringing all your energy to focus on a certain point;
but thought wanders away and so you have a perpetual battle between the desire to concentrate, to give all your energy to look at a page, and the mind which is wandering, and which you try to control.
Whereas attention has no control, no concentration.
It is complete attention, which means giving all your energy, your nerves, the capacity, the energy of the brain, your heart, everything, to attending.
Probably you have never so completely attended.
When you do attend so completely there is no recording and no action from memory.
When you are attending the brain does not record.
Whereas when you are concentrating, making an effort, you are always acting from memory like a gramophone record repeating."