Ключевые слова: achievement, book, brain, brainstorming, bright, bulb, burning, business, christianity, cognition, concept, creativity, design, diary, document, education, energy, expertise, fantasy, genius, glass, glowing, growth, icon, idea, imagination, innovation, inspiration, intelligence, invention, knowledge, learning, library, light, light bulb, motivation, open, page, paper, reading, research, sign, solution, strategy, studying, success, symbol, think, university, wisdom,