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Though ostensibly a children's book, The Little Prince makes several profound and idealistic observations about life and human nature. For example, Saint-Exupéry tells of a fox meeting the young prince during his travels on Earth. The story's essence is contained in the lines uttered by the fox to the little prince: On ne voit bien qu'avec le cœur. L'essentiel est invisible pour les yeux. ("One sees clearly only with the heart. What is essential is invisible to the eye.")[9] Other key thematic messages are articulated by the fox, such as: "You become responsible, forever, for what you have tamed" and "It is the time you have devoted to your rose that makes your rose so important."
I just read it (again) yesterday, a CLASSIC !
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It's a fast read too.