Peter Abelard antiquity for their virtues and for their discovery by the use of reason of many fundamental aspects of Christian revelation. At some point in this time Abelard wrote, among other things, his famous "Historia Calamitatum". This moved Héloïse to write her first Letter; the first being followed by the two other Letters, in which she finally accepted the part of resignation, which, now as a brother to a sister, Abelard commended to her. Sometime before 1140, Abelard published his masterpiece, "Ethica" or "Scito te ipsum" (Know Thyself), where he analyzes the idea of sin and that actions are not what
Te Deum (Pärt) functions as a drone throughout the piece, fulfilling "a function comparable to that of the ison in Byzantine church music, a repeated note which does not change pitch." On an ECM records leaflet, Pärt wrote that the Te Deum text has "immutable truths", reminding him of the "immeasurable serenity imparted by a mountain panorama." His composition sought to communicate a mood "that could be infinite in time—out of the flow of infinity. I had to draw this music gently out of silence and emptiness." (Hillier 140) The Latin text of the Te Deum is made up of 29 lines of