On my bookshelf I have an old book which I just picked up again after many years. It is titled Breathing Alive and the author is Reshad Feild. The following is part of a chapter titled, The Sun Behind the Sun – A Visualization. It begins with all the usual preparations for meditation, including correct breathing and playing some appropriate music. Please note that it is a visualization and does not require you to actually look at the Sun, although I suggest it is probably best performed if you are sitting in the Light of the Sun at the time.
 
“Slowly, still awake to the breathing, sense the golden rays of the sun permeating every cell of your being. Bring the sun into the centre of your chest and let its rays of living gold pour out into the world. Now you are the centre of your own universe! No more are you breathing; you are being breathed.
“Be very still.
“There is a light from a greater sun giving light to your own sun. Open yourself to this light. Let it pour through the crown at the top of your head. This is the ‘Light of Pure Intelligence,’ a light without colour as we know it. It is pure, unadulterated light, unfathomable to the normal human imagination, but always there, ready to illuminate us. Through this light we can see the world as a world of patterns, continuously unfolding from the one still moment of creation.
“Now we can be in the world and yet not of the world. We are like a chalice made of the gold of the sun, able to receive the Spirit from the Breath of His Compassion.”