15.45. Why should there be any fear of the serpent of Kali that has very sharp fangs? He will perish on being burned by the fire issuing forth from the wood of the Name of KRISHNA (कृष्ण).
15.55. There shall be no ailment or sin in the mind of that man who never forsakes the wholesome and beneficial Name "KRISHNA, KRISHNA" in Kali Age.
15.63. If, in Kali Age, the tongue does not glorify the good qualities of SHREEKRISHNA (श्रीकृष्ण), let it not exist in the mouth. Let that unchaste one go to the nether worlds.
Full Text of Shree Krishna-Nama-Mahatmya
from "Shree Skanda-Purana" -