In fact, words do not exist that can accurately describe what happens during the “inner alchemy” of deep meditation, that opens localized fields of consciousness well beyond the reach of words and rational thought. The true intention is to sit quietly without doing anything. It consists of completely emptying the mind of all conceptual thoughts and to leave the spirit to dwell in the emptiness, the silence and the calm.
In Zen meditation, there is nothing mysterious magical nor; is it a mental exercise as precise, practical and effective as is physical exercise and breathing for energy. Most important, it is a discipline and to learn the techniques that facilitate the accomplishment of this mental exercise, you can find it in books, but it is better if someone with experience guide you;