Ключевые слова: achievement, aggression, article, attitude, background, blackboard, block, boss, boxer, boxing, business, businessman, chalkboard, challenge, change, concept, confidence, conflict, determination, dont, encouragement, entrepreneur, executive, fail, failure, faith, fist, give, giving, glove, leave, motivate, motivation, motivational, never, office, persistence, positive, positivity, quit, stop, succeed, success, successful, text, trust, up, wood, word, work,