Man has no greater enemy than himself.

Summary

This quote suggests that the biggest roadblock for humans is often their own selves. It highlights the notion that human beings, with their flaws, doubts, and self-imposed limitations, can hinder their own progress and success. It implies that external obstacles or challenges pale in comparison to the internal battles and self-destructive tendencies individuals face within themselves. Therefore, addressing and overcoming one's own weaknesses, fears, and negative patterns of thinking is crucial in achieving personal growth and overcoming the obstacles encountered in life.

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