They who bettered life on earth by new-found mastery.
Inventas aut qui vitam excoluere per artes.
Original text (Latin)
Source, in full
Line 663 (tr. William Morris); the blessed in Elysium. A paraphrase of this is inscribed on the Nobel prize medals for Physics, Chemistry, Medicine, and Literature: Inventas vitam juvat excoluisse per artes ("inventions enhance life which is beautified through art").