Dao De Jing – Chapter 33

He who knows other men is discerning; he who knows himself is intelligent. He who overcomes others is strong; he who overcomes himself is mighty. He who is satisfied with his lot is rich; he who goes on acting with energy has a (firm) will.
He who does not fail in the requirements of his position, continues long; he who dies and yet does not perish, has longevity.

Note

Laozi proposed that humans must enrich their spiritual dimension. He maintained that those who examine their inner selves, fortify their life convictions, and implement them with determination will attain enduring vitality and realize their highest aspirations.

• To know others is intellect; to know oneself is existential clarity;
• To conquer others denotes power; to conquer oneself reveals primordial strength;
• Those who know contentment are prosperous;
• Willpower moves mountains. Those with unshakable convictions will achieve success;
• Those who preserve their essential nature ensure permanence;
• The human body perishes, but the spirit may attain immortality. To transcend physical death is true longevity.

Further Reading

Chapter Nine proposes, “To hold and fill to overflowing is not as good as stopping in time,” emphasizing the restraint of desires and the avoidance of extremes, which resonates with Chapter Thirty-Three’s “he who masters himself is strong.” While Chapter Nine elaborates on the wisdom of transcending external achievements through “withdrawing once the task is accomplished,” Chapter Thirty-Three reveals the root of inner strength from the perspective of “self-mastery.” Together, they point toward a dialectical understanding of “victory”—true strength lies not in conquering others, but in conquering oneself.

Chapter Thirty-Two proposes that “knowing when to stop ensures no danger,” and Chapter Thirty-Three’s “he who knows contentment is rich” both address the moderation of desires. While Chapter Thirty-Two discusses “knowing when to stop” from the perspective of governance, Chapter Thirty-Three approaches “knowing contentment” from the perspective of personal cultivation. Together, they constitute the dual dimensions of the principle of moderation in Laozi’s thought.

知人者智，自知者明。勝人者有力，自勝者強。知足者富。強行者有志。不失其所者久。死而不亡者壽。