10 famous sayings about diligence and frugality are:

1. A gentleman is concerned about morality but not poverty. ——Confucius

2. Be poor without flattery, be rich without arrogance. ——Zigong

3. If you strengthen your foundation and use it sparingly, you will never be poor. ——Xun Kuang

4. Those who are extravagant are in ruins and those who are frugal are at peace. One evil and one good are in front of them. ——Bai Juyi

5. Don’t worry about danger in times of peace, abstain from extravagance and be frugal; cut down the roots in order to seek luxuriant trees, block the source in order to have a long flow. ——Wei Zheng

6. Half-cut vermicelli should be treasured even if it is a public property. People don't understand Yu Zhongqu, but they say Yu is a calculating person. ——Xu Teli

7. People who let themselves be completely controlled by wealth can never be fair. ——Democritus

8. Whoever scrimps on food and clothing on weekdays will easily get through difficulties when he is poor; whoever is luxurious and extravagant when he is rich will die of hunger and cold when he is poor. ——Saadi

9. In a country of people, there must be a driving force, and this is virtue. ——Montesquieu

10. Quietness cultivates one’s character, and frugality cultivates virtue.

——Zhuge Liang