On the Song Dynasty from Zhu's "Reading Three"
Explanation: I once said that there are three ways to read, namely, heart, eyes and mouth.
Zhu (11301018-1April 23rd, 2000), also known as Zhong Hui, was called Hui Weng at night. Originally from Wuyuan County, Huizhou Prefecture (now Wuyuan, Jiangxi Province), he was born in Youxi, Nanjian Prefecture (now Youxi County, Fujian Province). China was a philosopher, thinker, philosopher, educator and poet in the Southern Song Dynasty.
Chu Hsi
2. Knowing is knowing, not knowing is not knowing, and knowing is also.
From Chapter 12 of The Analects of Confucius
It turned out that Confucius said, "What do you know? Knowing is knowing, not knowing is not knowing, but knowing. "
Confucius said, "Lutz, shall I tell you?" What you know is what you know and what you don't know is what you don't know. This is about the true meaning of knowing. "
Confucius