Meditation is one of the most extraordinary things, and if you do not know what it is you are like the blind man in a world of bright colour, shadows and moving light.

It is not an intellectual affair, but when the heart enters into the mind, the mind has quite a different quality: it is really, then, limitless, not only in its capacity to think, to act efficiently, but also in its sense of living in a vast space where you are part of everything.