The great Yogi Paramhansa Yogananda described what he experienced in Samadhi when His Guru Swami Sri Yukteswar made it happen for Him. Although this is a experience very difficult to express with words, is the best one I consider. Please read and enjoy:
“Sir, I am meditating,” I shouted protestingly.
“I know how you are meditating,” my guru called out, “with your mind distributed like leaves in a storm! Come here to me.”
Snubbed and exposed, I made my way sadly to his side.
“Poor boy, the mountains couldn’t give what you wanted.” Master spoke caressively, comfortingly. His calm gaze was unfathomable. “Your heart’s desire shall be fulfilled.”
Sri Yukteswar seldom indulged in riddles; I was bewildered. He struck gently on my chest above the heart.
My body became immovably rooted; breath was drawn out of my lungs as if by some huge magnet. Soul and mind instantly lost their physical bondage, and streamed out like a fluid piercing light from my every pore. The flesh was as though dead, yet in my intense awareness I knew that never before had I been fully alive. My sense of identity was no longer narrowly confined to a body, but embraced the circumambient atoms. People on distant streets seemed to be moving gently over my own remote periphery. The roots of plants and trees appeared through a dim transparency of the soil; I discerned the inward flow of their sap.
The whole vicinity lay bare before me. My ordinary frontal vision was now changed to a vast spherical sight, simultaneously all-perceptive. Through the back of my head I saw men strolling far down Rai Ghat Road, and noticed also a white cow who was leisurely approaching. When she reached the space in front of the open ashram gate, I observed her