On Tiananmen Square, every morning, accompanied by the majestic national anthem, flag raisers flawlessly unfold a giant national flag that is 5 meters long, 3.3 meters wide and weighs 5 kg net. In order to raise the national flag in the most perfect manner, the flag raiser should hold a 10 kg dumbbell and practice the flag display action more than 300 times a day. Recently, a video telling the story of the flag raiser of the National Flag Guard of the People's Liberation Army's Honor Guard has won numerous praise on the social platform. The tenacity of the flag raisers in their daily hard training is both touching and enlightening. Repeated quenching can make steel, and unremitting struggle can make success. Nie Haisheng has always maintained his military nature of "following the call and choosing", insisted on hard training and always being ready, which has made him fly three times; Adhering to the belief of "just thinking about doing something", Nan Rendong has been willing to sit on the "bench" for more than 20 years. Through unremitting efforts with all engineering teams, he has overcome many difficulties, which has realized China's dream of having a world-class radio telescope. No matter what industry you are engaged in, no matter what position you are in, your tenacity is always an indispensable key factor to achieve your dream. Hard work shows courage, and hard work leads to success. To keep striving tenacity forever means not only to have the perseverance to never give up, but also to stimulate the spirit of indomitable spirit. To fight bravely and face difficulties, to create and improve at all times, there must be gains in such efforts, and there will be gains in such a life. (Outlook New Times)