であれ
1
no matter (what, who, etc.)
詩人が言葉に対していだく愛情にも似た感情を、科学者は事実（たとえばらばらの事実であれ）に対していだく。
The scientist has a love of facts, even isolated facts, similar to the poet's love of words.
2
whether ... or ...
as ...であれ...であれ
偶然であれ故意であれ、彼がそれをしたのは本当だ。
It is true that he did it, whether by accident or by design.
3