What does the quote “Never stop learning until the coffin is shut” by Confucius mean?

Which choice describes some of the difficulties john adams faced as presidet

Mid to high level clouds that look like layered blankets are called

The military dictatorship inviolently reacted to the opposition of the maya, who demanded greater rights for their native population. the genocide inresulted from a struggle between arab nomadic tribes and non-arab agricultural groups. the tutsi were the victims of genocide inat the hands of the hutu rulers.