[100 Challenge] Song E Yoon_50 March 15, 2025Linked in Bernhard Riemann(1826-1866) said that the sum of the interior angles of a triangle is not 180 degrees because the Earth is round. The space we live in is...
[100 Challenge] Song E Yoon_49 March 14, 2025I am waiting for lucky Everyone has moments when they need good luck. For me, this is such a moment. I wait because sometimes things happen that I think...
[100 Challenge] Song E Yoon_48 March 12, 2025Everyday Challenge Sometimes, we encounter unexpected situations in our relationships. Occasionally, I give another person a lousy feeling; on the other hand, someone makes me embarrassed and suddenly angry at...
[100 Challenge] Song E Yoon_47 March 11, 2025discrimination and competition It happened when I was in the third grade of elementary school. One friend was good at studying and had a perfect heart. His parents were...