100 Challenge_Song E Yoon

Waiting time Waiting is a series of nervous and frustrating moments. My mind rides a roller coaster as I wait for things that haven't been finished yet. It leads to...

Linked 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...

I 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...

Everyday 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...

discrimination 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...