Drop your own sweat and eat your own food. You are not a hero if you do your own thing and rely on people and ancestors. "-Tao Xingzhi

At all times and in all countries, people who have made achievements in their careers and made a difference to mankind are the results of down-to-earth and hard climbing. "-Qian Sanqiang.

Difficulties and hardships make you successful.

The river runs to the sea, and when will it return to the west? If young people don't work hard, old people will be sad.

One hundred studies must be identified first. (Zhu)

The edge of the sword comes from sharpening, and the fragrance of plum blossoms comes from bitter cold.

Putting pen to paper scares the wind and rain, a poem makes you cry. (Du Fu)

Don't cut down on vanity, be elegant, but your teacher will benefit more. (Du Fu)

The knowledge is good, and we have made an appointment, but we have accumulated a lot and made little progress. (Su Shi)

Be knowledgeable, interrogate, think carefully, distinguish clearly and persist. (Book of Rites)

If you don't climb the mountain, you don't know the height of the sky; Don't face the deep stream, I don't know the thickness of the ground. (Xunzi)

If you don't fly, you will fly to heaven; If you don't sing, it will be a blockbuster. (Sima Qian)

If you don't know what you don't know, you don't know what you are. (Confucius)