Pythagoras, the ancient Greek philosopher and mathematician, is renowned for his contributions to mathematics but also for his profound insights into ethics and compassion. His quote, ‘As long as Man continues to be the ruthless destroyer of lower living beings, he will never know health or peace,’ underscores the connection between the treatment of animals and human violence. Pythagoras argued that cruelty is not an isolated act; it shapes the character of individuals and dulls their capacity for empathy. He believed that true peace begins with compassion towards the vulnerable, suggesting that societies that normalize cruelty struggle to cultivate kindness and justice. Pythagoras’ teachings extend beyond dietary choices, advocating for a lifestyle of moderation and respect for all living beings. His message remains relevant today, highlighting the ethical implications of our actions and the importance of empathy in fostering peaceful communities. In a world still grappling with violence and environmental issues, Pythagoras’ call for compassion serves as a reminder that societal flourishing is rooted in kindness and respect for life.