Ключевые слова: brain, bulb, business, choice, concept, conclusion, contemplation, creativity, decision, different, drawing, energy, expression, face, female, finger, genius, girl, head, idea, intelligence, intelligent, lamp, leadership, light, lightbulb, make, mind, money, overhead, people, person, pondering, problem, puzzle, rational, rationalization, rethink, right, save, sign, smart, solution, solve, student, symbol, teacher, think, vision, women,