Life lesson of the day by Diogenes: 'As a matter of self-preservation, a man needs good friends or ardent enemies, for the...' - thought-provoking quote by Greek philosopher and founder of the Cynic school teaches why you need both friends and enemies in

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Life lesson of the day by Diogenes: Ancient Greek philosopher Diogenes believed that both friends and enemies are crucial for personal growth. While friends offer support and guidance, critics and opponents highlight our flaws, pushing us towards self-improvement.