optimist or pessimist

optimist, pessimist, positive thinking, negative thinking, mindset, outlook on life, attitude concept, personality type, mental state, hopefulness, doubt, confidence, fear, motivation, discouragement, belief system, emotional balance, psychology concept, inner thoughts, life perspective, decision making, self reflection, optimism concept, pessimism concept, mental attitude, positive mindset, negative mindset, thinking pattern, human behavior, perception, emotional state, cognitive style, outlook difference, personal growth, mindset contrast, abstract concept, thinking habit, life philosophy, mood state, psychological contrast