CCTV News: In Tianjin, if you pass by the southwest gate of Nankai University, you may be attracted by a scene of immersively writing calligraphy in a security uniform at a small desk. His name is Liu Shouli, he is 55 years old and is a security guard at Erdaogang, Southwest Gate, Nankai University.

Spring, autumn, winter and summer, Liu Shouli writes in front of this roadside desk every day. Whenever he hears praise from teachers and students coming and going, Liu Shouli will smile shyly. For him, this is persistence, love, pursuit and dream.