"There are no quiet years, but someone is carrying the burden for you." It is emphasized that when we enjoy a quiet life, there are always some people who silently bear the pressure and difficulties behind them and create a relatively stable environment. This sentence is widely circulated on the Internet and is used by many people to express their gratitude to parents, teachers, doctors, police and other professionals, who often pay the most behind their backs. This sentence also reflects people's profound understanding of life and cognition of social responsibility.