yellow line with black point

   The black point moves uncertainly on the yellow line, but without leaving the line. The point is round and wonders why it cannot leave the line. He tries, but doesn't succeed. The line is life, who determines the direction of the line, who determines the direction of life? Who is the black dot? Why is the dot black?

https://opensea.io/assets/matic/0x2953399124f0cbb46d2cbacd8a89cf0599974963/92884392716823308055767924102992829521609708442263404649017408954766773452801/

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