Domain 1: "The Tenth Five-Year Plan aims at learning"
The meaning is clear, that is, study hard while young.
Realm 2: "Standing at 30"
It means that people around the age of 30 should have their own careers, no matter what big things, but they must have certain goals in life, at least in the near future.
Realm 3: "forty without confusion"
Confucius believes that when people reach forty, their attitude towards life will not be vague and ambiguous.
Realm 4: "Half a hundred people know the destiny"
Destiny here refers to "heaven", which means to gain insight into the law of things' progress and understand the causal relationship between things. It is the brilliant wisdom of subjective factors existing in people's minds and objective factors existing in everything in the world.
Realm 5: "Obedience at 60"
Listening is great wisdom. It doesn't sound easy. Listening means standing in the speaker's position, thinking and breathing together with the speaker.
Realm 6: "70 and follow your heart"
The so-called follow one's inclinations means that all elegant behaviors have become unconscious behaviors, because consciousness has also merged into the heart and become a group with you.
I am 28 years old, and now I live in the realm of six, and my heart does whatever it wants.