O Trinity of Blessed Light by Latin, c. 6th Cent. ADESTO SANCTA TRINITAS—Chartres antiphoner, 1784 ILLSLEY—John Bishop O Trinity of Blessed Light 1 O Trinity of blessed light, O Unity of princely might, The fiery sun now goes his way; Shed Thou within our hearts Thy ray. 2 To thee our morning song of praise, To thee our evening prayer we raise; O grant us with Thy saints on high To praise thee through eternity. 3 All laud to God the Father be, All praise, eternal Son, to thee, All