Once society has technical needs, this need will push science forward more than ten universities.

Engels

Poverty, a clean and simple life, is where we revolutionaries can overcome many difficulties! Fang Zhimin

Don’t worry about poverty and lowliness, and don’t dwell on wealth. Tao Yuanming

Society is like a ship, and everyone must be prepared to steer the ship. Ibsen

Even though the activities in the world have many shortcomings, they are still beautiful. Rodin

If the world is peaceful and peaceful, with compliments and flattery everywhere, then there will be room for shamelessness, fraud and ignorance to grow; no one will expose it anymore, and no one will tell harsh truths anymore! Belinsky

If you work hard for a day, you can get a good night's sleep; if you work hard for a lifetime, you can get a long sleep of happiness. ——Leonardo Da Vinci

Whoever scrimps on food and clothing on weekdays can 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.

——Sadie