The psalmist speaks as if splendor and majesty are people who can stand before a king. Alternate translation: "Everyone knows of his splendor and majesty" (See: [[rc://en/ta/man/translate/figs-personification]])
The words "strength" and "beauty" are metonyms for the ark of the covenant decrees, which is found in the sanctuary. Alternate translation: "It is his sanctuary that contains the ark of the covenant decrees" (See: [[rc://en/ta/man/translate/figs-metonymy]])