After all, the knowledge gained from books is not perfect. If you want to understand the truth deeply, you must practice it yourself.
2, do not climb the mountain, I don't know the height of the sky; I don't know Lu Shen unless I'm near a deep stream —— Xunzi's "Persuasion" in Pre-Qin Dynasty
Therefore, if you don't climb the mountain, you don't know how high the sky is; I don't know how thick it is without facing the deep stream.
3. I have been thinking all day, it is better to learn what I have learned in a short time; I've tasted it and I'm looking forward to it. Let's go hiking. -"Persuasion" by Xunzi in the Pre-Qin Dynasty
I used to think hard all day, but I didn't gain as much knowledge as I learned in an instant; I once stood on tiptoe and looked into the distance, but I climbed too high to see widely.
4. If you can't smell, if you can't smell, if you can't see, if you don't know, if you know, you won't do it. Learn to stop. -"Xunzi Confucianism"
I don't know. I didn't hear you. If I did, I might as well see him. If you don't know, you can't do it if you know. Learn to act.
A journey of a thousand miles begins with a single step. -Pre-Qin Lao Tzu's Tao Te Ching
The journey of a thousand miles starts with one step.