A slight difference may cause harm to the whole world; an error in dial engraving may cause trouble throughout the years. ——Han Yu

Life is like a horse, a brisk and strong horse. Man, ride it as boldly and carefully as the rider. ——Heise

Without tenacious and careful labor, even talented people will become useless playthings like embroidered pillows. ——Stanislavsky

In the end, you can become whatever you believe. Because the two most terrifying words in the world are persistence and seriousness. Serious people change themselves, and persistent people change their destiny. ?——?Jiang Nanchun

If you are careless in small things, then you must also be a careless person in big things and in your life. ?——?Li Yifei

If you want to see what happens, pay careful attention to everything. ——Song Fan

We should observe carefully in order to understand; we should work hard to understand in order to act. ——Romain Rolland

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

Careful observation is for understanding, and thorough understanding is for action. ——France

A thousand-mile embankment was destroyed by an ant nest. ——"Han Feizi"

The harmonious application of observation and experience to life is wisdom. ?——Goncharov

All reasoning must be derived from observation and experiment. ?——Galileo

To measure a man's true personality, just observe what he does when he thinks no one is seeing him. ?——Macaulay

Put on sunglasses and the world immediately loses its luster before your eyes. Personal misfortunes are often the dark glasses through which the vulnerable view life. ——Bacon

Observation is as essential to children as sunlight, air, and moisture are to plants. Here, observation is the most important source of wisdom.

?——Suhomlinsky