Ключевые слова: attitude, belief, can do attitude, confidence, defeatism, defeatist attitude, demotivation, despair, desperation, discouragement, doubt, encouragement, expectation, faith, german, glass half empty, glass half full, hope, inspiration, mindset, motivation, negative thinking, negativity, optimism, outlook, perspective, pessimism, positive thinking, positivity, resilience, skepticism,