Let nothing unite us, so that nothing can separate us.
This quote is from the second stanza of the poem "Farewell" (English translation) — the original Spanish text is
Para que nada nos amarre que no nos una nada.
Does this mean that if you love someone, you should "set them free"?
amarre
is a conjugation of the verb for tying/binding, anduna
isunite
. – user72 May 9 '17 at 19:02