Ключевые слова: achievement, boulder, business, businessman, challenge, challenging, character, competition, concept, cube, determination, difficult, difficulty, effort, goal, hard, heavy, hill, impossible, job, leadership, man, manager, metaphor, motivation, mountain, moving, obstacle, opportunity, persistence, pressure, problem, punishment, pushing, risk, rock, roll, sisyphus, square, stone, strength, strong, struggle, success, task, tired, up, uphill, work, worker,