PREFIX person:     <tag:heathers.globalcode.info,2020:person:>
PREFIX predicate:  <tag:heathers.globalcode.info,2020:predicate:>
PREFIX thing:      <tag:heathers.globalcode.info,2020:thing:>

SELECT
	?firstname
	?surname
	?quote
WHERE {
	?person predicate:says ?quote .
	?person predicate:has-firstname ?firstname .
	?person predicate:has-surname ?surname .
}
ORDER BY ?firstname ?surname ?quote