All perfect praise be to Allaah Alone. May peace and blessing be upon the Noblest Prophet Muhammad, his Family, and Companions. Some people are widely known to rely on soothsayers, astrologers, diviners, and sorcerers to unveil the future, bring luck, fulfill marriage, succeed in exams, and other matters that are only known to Allaah (Glorified and Exalted be He). Allaah (Exalted be He) says: “(He Alone is) the All-Knower of the Ghayb (Unseen), and He reveals to none His Ghayb (Unseen).” Except to a Messenger (from mankind) whom He has chosen (He informs him of unseen as much as He likes), and then He makes a band of watching guards (angels) to march before him and behind him. Allaah (Glorified be He) says: Say: “None in the heavens and the earth knows the Ghayb (Unseen) except Allaah, nor can they perceive when they shall be resurrected.” Allaah (Glorified and Exalted be He) and His Messenger (peace be upon him) declared the delusion and evil end of the soothsayers, diviners, sorcerers, and the like assuring that they have no knowledge of the Ghayb (the Unseen) and they tell people lies and deliberately attribute falsehood to Allaah… read more here.
Note: This article was published in Islaamic Research Journal, Edition number 17.