Ключевые слова: achievement, attitude, background, black, blackboard, business, chalk, chalkboard, challenge, chance, change, concept, conceptual, cross, dark, hand, handwriting, hope, idea, illustration, impossible, incentive, lettering, letters, message, motivation, motivational, opportunity, optimist, optimistic, out, positive, possibility, possible, problem, progress, scripture, sign, slogan, solution, solve, success, symbol, text, think, trust, word, write,