What is the detailed meaning of "erudite but not poor, persistent and tireless"?

Erudite but not poor, persistent and tireless? Learning is endless, and extensive learning and knowledge accumulation are endless; Always pay careful attention to your words and deeds, faithfully implement them, and don't slack off! ?

This sentence is from the Book of Rites? Confucianism:? Is Confucianism knowledgeable? But not poor, persistent, reclusive, okay? No drowsiness. ?