„Don’t threaten us with cutting off your aid. It will not work. I am not a Jew with trembling knees. I am a proud Jew with 3,700 years of civilized history. Nobody came to our aid when we were dying in the gas chambers and ovens. Nobody came to our aid when we were striving to create our country. We paid for it. We fought for it. We died for it. We will stand by our principles. We will defend them. And, when necessary, we will die for them again, with or without your aid.“
attributed as alleged reply to Senator Joe Biden in Ronn Torossian's op-ed "Menachem Begin To Joe Biden: I Am Not A Jew With Trembling Knees" https://www.jewishpress.com/indepth/opinions/menachem-begin-to-joe-biden-i-am-not-a-jew-with-trembling-knees/2015/04/03, in 2015 without source. Possibly of earlier origin.
The much less verbose true quote, from Begin's "acerbic" visit to the US Congress in 1982 (during the Lebanon War), as found in Time Magazine's contemporary report http://content.time.com/time/subscriber/article/0,33009,925497-6,00.html (George J. Church, July 05, 1982):
"Don't threaten us with cutting off aid to give up our principles!"