1.

If you don’t climb a mountain, you don’t know how high the sky is; if you don’t go to a deep stream, you don’t know how thick the earth is. ——"Xunzi"

2.

Not hearing is worse than hearing it, hearing it is worse than seeing it, seeing it is worse than knowing it, and knowing it is worse than doing it. ——Xun Kuang (Warring States Period)

3.

The nine-story platform starts from Lei Earth; a journey of a thousand miles begins with a single step. ——Laozi

4.

There are also disadvantages to studying exclusively, so you must get in touch with the real society to make the books you read come alive. ——Lu Xun (medium)

5.

Only practice can overcome the errors of experience. ——Ba people (middle)

6.

Only real life can learn, only real life can teach people, and only real life can produce social thoughts. ——Qu Qiubai (middle)

7.

The more clearly you know, the more earnestly you will act; the more earnestly you act, the more clearly you will know.

——Zhu Xi (Song Dynasty)

8) Knowledge is a treasure house, but the key to unlocking this treasure house is practice