聞える旋律は美しいが、聞えない旋律はさらに美しい。

Heard melodies are sweet, but those unheard are sweeter.

聞(きこ)える旋律(せんりつ)は美(うつく)しいが、聞(きこ)えない旋律(せんりつ)はさらに美(うつく)しい。

Kikoeru senritsu wa utsukushii ga, kikoenai senritsu wa sarani utsukushii.

聞こえる (きこえる)

to be heard; to be audible; to be said to be; to be reputed

旋律 (せんりつ)

melody; tune

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

美しい (うつくしい)

beautiful; lovely

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

更に (さらに)

furthermore; again; after all; more and more; moreover; even more

Readings: ブン、モン、き.く、き.こえる

Meanings: hear, ask, listen

Reading: セン

Meanings: rotation, go around

Readings: リツ、リチ、レツ

Meanings: rhythm, law, regulation, gauge, control

Readings: ビ、ミ、うつく.しい

Meanings: beauty, beautiful