You might be a donkey with poor eyesight.
And he said this before the 1965 Immigration and Nationality Act, which unleashed the modern day version of the Mongol Hordes on the Posterity of the Founding Fathers as mentioned in the Preamble to the US Constitution.
Yes, as I said, JFK said these words BEFORE (e.g. in 1961) the 1965 Act.