Genre: 
Full text: 
O sol salutis intimis Jesu refulge mentibus dum nocte pulsa gratior orbi dies renascitur | Dans tempus acceptabile da lacrimarum rivulis lavare cordis victimam quam laeta adurat caritas | Quo fonte manavit nefas fluent perennes lacrimae si virga paenitentiae cordis rigorem conterat | Dies venit dies tua in qua reflorent omnia laetemur et nos in viam tua reducti dextera | Te prona mundi machina clemens adoret trinitas et nos novi per veniam novum canamus canticum | Amen
Fulltext source: 
EC-Qsf 4; Breviarium Romanum (Rome 1632)
Notes: 
Urban VIII revision (1632 breviary); cf. 008325 for an earlier standard version, which begins differently and has extensive other differences. Note: some later sources change "veniam" in the final stanza to "gratiam"