Ключевые слова: achievement, background, blackboard, brain, brains, brainstorming, bulb, business, businesswoman, cog, concept, confidence, confident, creative, creativity, education, gear, gears, genius, head, human, idea, ideas, intelligence, light, lightbulb, machine, machinery, memory, mental, on, person, personality, problem, psychology, solution, solve, student, success, teacher, think, thinking, thinks, thought, thoughts, woman, young,