Ans: The main message of "Man's Search for Meaning" is that finding meaning in life is the most powerful motivating force in humans. Viktor Frankl argues that even in the most difficult and painful circumstances, life can still hold meaning. This meaning can be discovered through purposeful work, deep relationships, and the attitude we choose to adopt in the face of suffering. Frankl's experiences in Nazi concentration camps highlighted the importance of maintaining hope and finding purpose, even amidst extreme adversity.