You must understand something while studying.

Analysis, the original sentence should be for learning, thinking, enlightenment, and enlightenment.

Detailed explanation:

1. Study: study.

2. Si: think, consider.

3. Wu: comprehend, comprehend.

4. Dong: action, action.

Famous aphorisms about "Learning, thinking, understanding, understanding and action":

1. Confucius said: "Learning without thinking means nothing; thinking without learning Otherwise. ”

2. To learn knowledge, you must be good at thinking, thinking, and thinking again.

3. Thinking is the seed of behavior.

4. Thinking makes you wise, and wise makes you holy.

5. Greatness is not only earth-shattering in career, but also thoughtful and thoughtful.

6. Habits dominate people who are not good at thinking.

7. Action, only action, can determine value.

8. Actions are forgotten by people, but the results will last forever.

9. Actions do not necessarily reflect a person’s essence; we find that doing something good does not necessarily mean being kind-hearted.

10. Action may not bring happiness, but there will definitely be no happiness without action.