What are the warning poems?
1) Looking back at the countries and families of sages in the past, they turned from frugality to extravagance. (2) A gentleman values frugality, but is embarrassed by virtue. General idea: A gentleman avoids danger by frugality. (3) Managing the country diligently and managing the family diligently. General idea: Be diligent in national undertakings and frugal in family life. (4) Thrift is virtue. Waste is a great evil. Thrift is the great virtue of doing good; Luxury is the root of all evil. (5) People's livelihood is diligent, but diligence is not lacking. General idea: the livelihood of ordinary people lies in hard work, and only hard work can make property not scarce.