Great and broad-minded, know how to live without worry. —— Excerpted from Lu's Four Poems on Epics. It means great, wise, considerate, you know your destiny, carefree.
The resplendent bronze hall was built in the previous dynasty, and 500 arhats are exactly the same. From Yuan Mei's "Going to Liang Shi to See Waterfalls". It means that the Great Bronze Hall was built by the previous dynasty, and 500 arhats are waving to each other.