They are as follows:

1. Yu forgot his own interests in the process of controlling floods. He passed by his house three times without going in to take a look.

2. Bill Gates is not only efficient when working in the library, but also enjoys his job as a librarian.

3. When Wang Xizhi was devoted to practicing calligraphy, he unknowingly dipped his rice in ink and ate it.

4. Yunnan teacher Zhang Guimei has been quietly cultivating girls’ education in the countryside for more than 40 years.

5. Dean Zhang Dingyu, who suffers from ALS, took the lead in organizing the fight against the epidemic during the epidemic.

Ai Gang’s famous sayings:

1. Her husband’s ambition is universal, and a journey of a thousand miles begins with a single step.

2. People who touch themselves are like medicine, especially people who use their brains are like spears.

3. If you want to know your relatives, it depends on your mischief; if you want your children to be obedient, you must first be filial to your parents.

4. Those who are unwilling to lift their spirits have few things to lift up God, few thoughts to lift up good things, and few thoughts to lift up.

5. You don’t have to do it with the same people, nor should you do it with different people. Don't be likeable, don't be hateful.