1. If you want to see the end, pay careful attention to everything.——Song Fan

2. Details lie in observation, and success lies in accumulation.——Emerson

3. Observe, observe, and observe again.——Pavlov

4. Careful observation of small things is the secret of success in career, art, science and all aspects of life.——Simai Er

5. All reasoning must be derived from observation and experiment. - Galileo

6. Observation is as essential to children as sunlight, air, and moisture are to plants. They are indispensable. Here, observation is the most important energy source of wisdom.——Suhomlinsky

7. The harmonious application of observation and experience to life is wisdom.——Gang Tsalov

8. Put on sunglasses, and the world will immediately lose its luster before your eyes. Personal misfortune is often the sunglasses through which the fragile observe life. - Bacon

9. To measure a man's true character, just observe what he does when he thinks no one is seeing him. - Macaulay