The content is as follows:

1. Self-control is the instinct of the strongest. ——Bernard Shaw

2. Even a little restraint on oneself can make people stronger. ——Gorky

3. Success comes from self-discipline. If a person does not have the quality of decisiveness, he will never be considered an independent person. ——John Foster

4. Peak achievements come from self-discipline. ——Japanese Konosuke Matsushita

5. To measure a person’s strength, one should look at his self-control. ——Dante

6. Greed will destroy people's spiritual purity, because unfortunately, the more you get, the more greedy you become, and you always feel that you cannot satisfy yourself. ——Angel

7. Arrogance and belittlement are both serious mistakes. ——Goethe