Leviticus 19:28

28. Ye shall not make any cuttings in your flesh for the dead—The practice of making deep gashes on the face and arms and legs, in time of bereavement, was universal among the heathen, and it was deemed a becoming mark of respect for the dead, as well as a sort of propitiatory offering to the deities who presided over death and the grave. The Jews learned this custom in Egypt, and though weaned from it, relapsed in a later and degenerate age into this old superstition (Isaiah 15:2; Jeremiah 16:6; Jeremiah 41:5).

nor print any marks upon you—by tattooing, imprinting figures of flowers, leaves, stars, and other fanciful devices on various parts of their person. The impression was made sometimes by means of a hot iron, sometimes by ink or paint, as is done by the Arab females of the present day and the different castes of the Hindus. It is probable that a strong propensity to adopt such marks in honor of some idol gave occasion to the prohibition in this verse; and they were wisely forbidden, for they were signs of apostasy; and, when once made, they were insuperable obstacles to a return. (See allusions to the practice, Isaiah 44:5; Revelation 13:17; Revelation 14:1).