Ключевые слова: achievement, anxiety, attitude, brave, business, career, challenge, character, cliff, conceptual, courage, danger, determination, effort, fear, goal, idea, initiative, issue, life, limit, man, metaphor, mission, motivation, overcome, pain, person, personal, personality, potential, power, problem, progress, purpose, reaction, resolution, risk, rope, slacklining, strength, stress, success, tight rope, trouble, walking,