"The seven spheres attached to the seven planets symbolize seven principles, seven different states of matter and spirit, seven different worlds which each man and each humanity must pass through in their evolution across a solar system." -- The Wisdom of Egypt
"Seven are the transitions for perfecting the matter. Seven are the effects that shall complete the philosophical operation." -- Cagliostro
7 Daughters of Atlas
7 Stages of Alchemy - Calcination, Dissolution, Separation, Conjunction, Fermentation, Distillation, Coagulation.
7 Hermetic principles - Mentalism, Correspondence, Vibration, Polarity, Rhythm, Cause and Effect, Gender.
7 Notes of the musical scale.
7 Systems of Symbolism - numbers, geometrical figures, letters, words, magic, alchemy, astrology.
7 Rays of Light - Red, Orange, Yellow, Green, Blue, Purple, Violet.
7 Planets of Antiquity - Moon, Mercury, Venus, Sun, Mars, Jupiter, and Saturn.
7 Churches of Asia Minor
7 Personality Types - Lunar, Mercurial, Venusian, Solar, Martial, Jovial, Saturnine.
7 Days of the Week - Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.
7 Arch Angels - Michael, Gabriel, Raphael, Uriel, Chamuel, Jophiel, and Zadkiel.
7 Metals of Antiquity - Lead, Tin, Iron, Copper, Mercury, Silver, Gold.
7 Chakras - Muladhara, Svadhisthana, Manipura, Anahata, Vishuddha, Ajna, Sahasrara.
7 Emotive Spheres of Kabbalah
7 Seals.
7 Root Races, each with 7 sub-races
7 Days of Creation
7 Virtues - Faith, Hope, Charity, Fortitude, Justice, Prudence, Temperance.
7 Vices - Pride, Envy, Anger, Sloth/dejection, Avarice, Gluttony, Lust.
7 Stages of Man - the infant, the school-boy, the lover, the soldier, the judge, the elderly man, the senile one.
7 Liberal Arts - grammar, rhetoric, logic, arithmetic, music, geometry, and astronomy - the first three in the Trivium, the latter four in the Quadrivium.
7 Wonders of the Ancient World - Pyramids of Egypt, Hanging Gardens of Babylon, Statue of Zeus at Olympia, Temple of Artemis at Ephesus, Mausoleum of King Mausolus at Halicarnassus, Colossus of Rhodes, Pharos Lighthouse at Alexandria.
7 Headed Hydra
7 Headed Lion
7 Headed Dragon
7 Headed Serpent
7 Seas - Arctic, Antarctic, North and South Pacific, North and South Atlantic and the Indian Ocean.
7 Continents - North America, South America, Africa, Europe, Asia, Australia and Antarctica.
7 Seven Sisters of the Pleiades star system.
7 Parts to the embryo - Amnion, Chorionic Villi, Spinal Cord, Heart, Brain, Umbilical Cord, Yolk Sac.
7 Parts of the body - Head, Thorax, Abdomen, Two Arms, Two Legs.
7 Major Organs - Brain, Heart, Lungs, Stomach, Intestines, Liver, and Pancreas.
7 Glands - Pineal, Pituitary, Thyroid, Thymus, Adrenal, Lyden and Gonad.
7 Divisions to the brain - Cerebrum, Cerebellum, Pons Varolii, Medulla Oblongatta, Corpus Callosum, Spinal Cord, Meninges.
7 Parts to the inner ear - Vestibule, Auditory Canal, Tympanic Membrane, Ossicles, Semi-circular Canal, Cochlea, Membranous Labyrinth.
7 Parts to the retina - Cornea, Aqueous Humor, Lens, Vitreous Humor, Retina, Sclera, Iris.
7 Cavities to the heart - Right and Left Ventricle, Right and Left Atrium, Tricuspid Valve, Mitral Valve, Septum.
7 Body systems - Muscular, Skeletal, Nervous, Digestive, Respiratory, Excretory, Circulatory.
7 Bodily functions - Respiration, Circulation, Assimilation, Excretion, Reproduction, Sensation, Reaction.
7 Levels in the Periodic Table of the Elements.
...and, of course, the 7 Dwarfs.
“The Principles of Truth are Seven; he who knows these, understandingly, possesses the Magic Key before whose touch all the Doors of the Temple fly open.” –The Kybalion
"And God created seven Heavens and seven Earths, and through them all, descends His Command." -- scriptural translation