Ключевые слова: abstract, achievable, adversity, attitude, black, business, businessman, challenge, chance, change, choose, concept, development, feasible, frustration, goal, highlighter, hope, idea, impossible, incentive, message, motivation, opportunity, optimist, optimistic, overcoming, paper, persistence, persistent, perspective, philosophy, photography, positive, positivity, possibility, possible, problem, red, skill, solution, success, text, tip,