In the spirit of "should be the spirit of materialism and knowledge" Sincerity, correct heart, cultivation, family, governance and peace in the world is what it means

The Four Books? University" original text: "In ancient times, those who wished to make clear virtue in the world first ruled their country; those who wished to rule their country first aligned their families; those who wished to align their families first cultivated their bodies; those who wished to cultivate their bodies first corrected their hearts; those who wished to correct their hearts first honored their minds; those who wished to be sincere in their minds first attained their knowledge, and the attainment of knowledge was in the Gergeshi." "The object is grasped before the knowledge is realized, the knowledge is realized before the intention is sincere, the intention is sincere before the heart is correct, the heart is correct before the body is repaired, the body is repaired before the family is united, the family is united before the country is ruled, and the country is ruled before the world is pacified."

Sincerity: sincerity. Make one's thoughts sincere.

Correct Heart: to straighten one's mind.

Cultivate one's body: in the olden days, it meant to try to improve one's character and virtue.

Qi Jia (齐家): to straighten one's housekeeping.

Governing the country: managing the country.

Peace the world: to pacify the rebellions in the four directions (to realize the unification of the motherland).