Prayer is our communication with God

Meditation is communication of God with us

http://medicalxpress.com/news/2011-11-tuning-brains-benefit-meditation.html

Osho's Life: Osho explains Meditation : .....The basic element running through all the methods of meditation is witnessing.....

Swami Sivananda in Goal of Life is God-Realisation : ...There is no Knowledge without Meditation. The aspirant churns his own soul. Truth becomes manifest...Why do you read many books? It is of no use. The great book is within your heart. Open the pages of this inexhaustible book, the source of all knowledge...

J. Krishnamurti : Meditation is not a means to an end. It is both the means and the end.

--

Tishan : Meditation is being happy with yourself for no reason at all. The joy of cherishing your being, happy that you are. You are simply in love with yourself, in love with existence.

Meditations By Gurani Anjali : These essays are transcriptions of meditations given by Gurani Anjali at Yoga Anand Ashram

Jorn Barger in An Internet way of self-knowledge : ...I think real meditation is about detecting self-deception...

112 Tantra Meditations

Joe Loffredo : Some Thoughts on Meditation

Why Meditate?

How to Meditate

Peter Russell's Three-Minute Meditation

The Art of Meditation : ...I have often wished we could see the astral and mental creatures we send out into the world. But it is perhaps merciful that we do not, for the sense of our responsibility might crush us...

http://reluctant-messenger.com/ : How to Meditate

wellnessgoods.com :: Meditation

http://www.ananda.org/meditation/