Verifying a Hebrew translation.
I found this online:
?אם אין אני לי, מי לי? וכשאני לעצמי, מה אני? ואם לא עכשיו, אימתי
However, I don't read Hebrew and I need to be certain that this is actually the translation, not a prank played by some Wikiquote denizen. Any help would be much appreciated!