Ключевые слова: achieve, achievement, appreciation, attitude, behavior, carefree, challenge, cheerful, concept, confidence, confident, courage, encourage, encouragement, everything, expression, feeling, goal, grateful, gratitude, happiness, hope, improvement, incentive, inspiration, inspire, motivate, motivated, motivation, motivational, opportunity, optimism, optimistic, outlook, persistence, perspective, phrase, positive, positivity, potential, pride, respect, succeed, success, successful,