The purpose of meditation is to break open the mind to off set beliefs that are filed like fractal portioned images in memory, which have been distorted by past misuse and abuse into shapes unfitted for further use. The only way through into forging new understanding is to first clear the slate of accumulated sludge from out of present day mind. Rest assured that which maintains worth in the human system will still be available for consideration when the mental slate is clear of doubt filled memories that lack for substance.
Beyond meditation there is an art form of visualization that is connected to cosmic levels of understanding.