Zhi Shou Lu

Knowing the male and guarding the female are the streams of the world. For the world's stream, everlasting virtue will never leave, return to the baby; Know its whiteness, keep its blackness, it is the way of the world, it is the way of the world, it is always virtuous and not too ungrateful, it returns to the infinite; Knowing its glory and guarding its disgrace will be the valley of the world. For the valley of the world, constant virtue is enough, and return to simplicity.