 Closely linked with the former is "Bitul ha-Yesh", "Negation of the Existent", or of the "Corporeal".Hasidism teaches that while a superficial observance of the universe by the "eyes of the flesh" ("Einei ha-Basar") purportedly reflects the reality of all things profane and worldly, a true devotee must transcend this illusory façade and realize that there is nothing but God.It is not only a matter of perception, but very practical, for it entails also abandoning material concerns and cleaving only to the true, spiritual ones, oblivious to the surrounding false distractions of life.