In his book

“A man’s mind may be likened to a garden, which may be intelligently cultivated or allowed to run wild; but whether cultivated or neglected, it must, and will, bring forth. If no useful seeds are put into it, then an abundance of useless weed seeds will fall therein, and will continue to produce their kind.”― James Allen. During this episode Karim go in details about how to lead our mind. Not selecting what to get in our mind, is already a selection, to get everything, good and bad into it.