and one who says "Do not begin" (a new enterprise) — it is morning; it is the New Moon; it is the end of Shabbath."

"mechashef" (a sorcerer): One who performs an act is liable (under this interdict); one who (merely) deceives the eyes is not liable.

(Devarim 18:11) "chover chaver" (one who gathers animals into one spot and divines through them): whether he gathers snakes or scorpions.