1. If you are extravagant, you will take it in vain, and your ambition will be humiliating; If you are frugal, you will have nothing to ask for, and you will be innocent of yourself, so you can nourish your spirit. -Luo dajing

2. once comfortable enjoyment becomes a habit, it makes people almost completely unable to feel fun and becomes a real need of people. -Rousseau

3. Luxury is like wine, which excites people and weakens them. -Carl

4. All savings are, in the final analysis, time savings. -Marx

5. Small things don't save money. -Tom Moore

6. Once there is a technological need in society, this need will push science forward more than ten universities. -Engels

7. Whoever scrimps on food and clothing on weekdays will easily tide over the difficulties when he is poor; He who is extravagant in abundance will die of hunger and cold in poverty. -Sadie

8. If the world is calm and everything is flattering and ingratiating, then shameless fraud and ignorance will have room for growth; No one will expose it again, no one will tell the cruel truth again! -belinsky

9. The inevitable consequence of luxury-the disintegration of weathering-in turn caused the corruption of interest. -Rousseau

1. Frugality is an inexhaustible feast in your life. -Emerson