The English script is not a literal translation of the Japanese, but the line that appears to correspond to this is as follows:
曇りのない眼で物事を見定めるなら
Kumori no nai manako de monogoto wo misadameru nara
If you see things with unclouded eyes... (the "hatred" is not explicitly stated in the Japanese)
Also, it's not a separate statement in the JP, but rather connects to the previous and following sentences.
西の国で何か不吉なことが起こっている
Nishi no kuni de nanika fukitsu na koto ga okotteiru
Something sinister is happening in the West.
その地に赴き、曇りのない眼で物事を見定めるなら
Sono chi ni omomuki, kumori no nai manako de monogoto wo misadameru nara
If you go there, and see/discern the nature of things with unclouded eyes...
あるいはその呪いを断つ道が見つかるかもしれぬ
Arui wa sono noroi wo tatsu michi ga mitsukaru kamoshirenu
...you just may be able to find a way to end the that curse.
That's the original Japanese, but note that it's a conditional ("If you..."), so if you want to make it a separate statement (i.e. "I see with unclouded eyes") or an instruction (i.e. telling someone "See with unclouded eyes"), you'll have to tweak it a bit. Same if you explicitly want to add the sense of "unclouded by hatred").
Maybe this can be a start, though.
