Ключевые слова: abc, abstract, advice, advisability, alphabet, background, belief, bible, block, brain, business, career, cement, concept, cube, education, erudition, experience, faith, goal, god, history, holy, idea, information, insight, intelligence, knowledge, learning, letter, library, logic, lore, message, mind, motivate, motivation, mystery, now, philosophy, rationality, skills, smart, study, success, text,