“Music, to create harmony, must investigate discord.”

The Immortals (2009)

Bk. I, l. 340.
The Prelude (1799-1805)

Book I, epistle xii, line 19
Epistles (c. 20 BC and 14 BC)

1960s, The Quest for Peace and Justice (1964)
Context: We will not build a peaceful world by following a negative path. It is not enough to say "We must not wage war." It is necessary to love peace and sacrifice for it. We must concentrate not merely on the negative expulsion of war, but on the positive affirmation of peace. There is a fascinating little story that is preserved for us in Greek literature about Ulysses and the Sirens. The Sirens had the ability to sing so sweetly that sailors could not resist steering toward their island. Many ships were lured upon the rocks, and men forgot home, duty, and honor as they flung themselves into the sea to be embraced by arms that drew them down to death. Ulysses, determined not to be lured by the Sirens, first decided to tie himself tightly to the mast of his boat, and his crew stuffed their ears with wax. But finally he and his crew learned a better way to save themselves: they took on board the beautiful singer Orpheus whose melodies were sweeter than the music of the Sirens. When Orpheus sang, who bothered to listen to the Sirens? So we must fix our vision not merely on the negative expulsion of war, but upon the positive affirmation of peace. We must see that peace represents a sweeter music, a cosmic melody that is far superior to the discords of war.

The Way to Peace, Power and Long Life (1945), p. 121 (2001 edition)

As translated by Philip Wheelwright in Heraclitus (1959) https://archive.org/details/heraclitus00whee
Disputed

Source: Light on Life: The Yoga Journey to Wholeness, Inner Peace, and Ultimate Freedom, p. 59-60

Mont Saint Michel and Chartres (1904)
Context: p>Where, then,— in what mysterious cave outside of creation — could Man, and his free-will, and his private world of responsibilities and duties, lie hidden? Unless Man was a free agent in a world of his own beyond constraint, the Church was a fraud, and it helped little to add that the State was another. If God was the sole and immediate cause and support of everything in his creation, God was also the cause of its defects, and could not,— being Justice and Goodness in essence,—hold Man responsible for his own omissions. Still less could the State or Church do it in his name.Whatever truth lies in the charge that the schools discussed futile questions by faulty methods, one cannot decently deny that in this case the question was practical and the method vital. Theist or atheist, monist or anarchist must all admit that society and science are equally interested with theology in deciding whether the Universe is one or many, a harmony or a discord. The Church and State asserted that it was a harmony, and that they were its representatives. They say so still. Their claim led to singular but unavoidable conclusions, with which society has struggled for seven hundred years, and is still struggling.</p

X.6
Bellum Iugurthinum