Clean calligraphy eight-character couplets

Diligence and thrift: thrift is like picking dirt, and waste is like pushing sand.

Life is simple: weeding at noon every day and working in a sweat. Who knows that every grain of Chinese food is hard?

Honesty and trustworthiness: Honesty and trustworthiness make friends widely, but it is difficult to find a confidant if you forget your righteousness.