"And thus daily, and month by month, and year by year, he will work at his mind, training it in these consecutive habits of thought, and he will learn to choose that of which he thinks; he will no longer allow thoughts to come and go; he will no longer permit a thought to grip him and hold him; he will no longer let a thought come into the mind and fix itself there and decline to be evicted; he will be master within his own house... he will say: “No; no such anxiety shall remain within my mind; no such thought shall have shelter within my mind; within this mind nothing stays that is not there by my choice and my invitation, and that which comes uninvited shall be turned outside the limits of my mind."