1. Work hard and die.

2. The crow has the meaning of feeding back, and the sheep know the kindness of kneeling to breastfeed. 3. The kindness of a drop of water should be repaid by a spring.

4. Whoever says nothing about grass will be rewarded with three rays of spring.

5. Once a teacher, always a father.

6. The kindness of one meal should be never forgotten.