If you want to penetrate this truth, first you must clear out the gates of the six senses, leaving them without the slightest affliction. What does affliction mean? It means to be turned around by form, sound, scent, taste, touch, and phenomena, that is mental phenomena and not detaching from it seeking knowledge and looking for understanding in the words and phrases of the scriptural teachings, and the ancient worthies. If you can avoid giving rise to a second thought about the scriptural teachings, or the stories of the ancient worthies, entering the path and realize directly what they go back to, then there will be nothing in your own realm, or in the realms of others, that is not according to your will, nothing of which you are not the master