The industry is good at diligence and wasteful at play. The success is achieved by thinking and destroyed by following.

"The work is good at diligence but wasteful at play" is a famous saying of Han Yu, which means: : The proficiency of studies lies in diligence, while the proficiency in studies lies in playfulness.

The proficiency in studies lies in diligence and the waste in playfulness, from Han Yu's "Encouragement to Learning". It means that studies are proficient due to diligence, but they are wasted. In the midst of laughter, things are successful due to repeated thinking, but they can be destroyed by casualness. Throughout the ages, many people who have achieved success in their careers have come from proficiency, diligence, and play. There is a good allusion that tells the same truth. .

Su Qin during the Warring States Period had great ambitions at first, but due to his shallow knowledge, he traveled to many places without being reused. Later, he made up his mind to study hard, and sometimes he read until late at night, but he was really tired and tired. When he was about to take a nap, he stabbed his thigh with an awl until blood flowed. He used this special method of "piercing his thigh with awl" to drive away sleepiness, cheer up, and persist in studying. Later he finally became a famous political figure Home.