What are the people's spiritual cultivation in the "eight eyes" of Chinese studies?

Sincerity is the right heart. Zeng Guofan said that "one heart is not born for sincerity." Sincerity is a meditative state of fasting and forgetting. Entering this state will greatly open up wisdom and greatly increase memory comprehension.

Meaning is that the target direction should not be wrong. If the outlook on life and the world is wrong, people will be finished. Mencius said that it was a tragedy of my life to raise me upright and upright, go the wrong way, delay my efforts, get something wrong and stick to the truth.