Therefore, the sky will fall on the people of Sri Lanka. They must first suffer from mental hardship, physical fatigue, hunger, empty bodies and chaotic actions, so be patient and get what they can't get. -Monk's Mencius

2.

Positive and unsatisfied are the first conditions for progress. Edison

3.

The establishment of the socialist system has opened up a road for us to reach the ideal realm, and the realization of the ideal realm depends on our efforts.

4.

Knowledge comes from hard work, and any achievement is the result of hard work. -Soong Ching Ling

5.

People, as long as they have a belief and pursue something, can endure any hardships and adapt to any environment. -Ding Ling