1. If a person only thinks of himself, there must be more sad things than happy things in his life. -Ma Ming Sibilia Ke

2. I am a spring silkworm, and I will spin silk after eating mulberry leaves. Even if I cook it in a pot, the silk will continue to die, in order to add a little warmth to the world. -ba Jin

3. People should be helpful. Although the lotus is good, it needs green leaves to support it. A fence hits three piles, and a hero needs three gangs. -Mao Zedong

4. Egoistic people are the first to perish. He lives by himself and lives for himself. If his "I" is damaged, then he can't survive. -ostrovsky

5. The best satisfaction is to satisfy others. -Labruyere

6. A rich nature will wither if it doesn't feed others who are hungry. -romain rolland