“the Aryan races will not wholesomely amalgamate with the Africans or the Asiatics.. the cross of those races, like the cross of the dog and the fox, is not successful; it cannot be, and never will be.”
same 1885 speech, quoted in 2012 Macleans article http://www.macleans.ca/politics/ottawa/was-john-a-macdonald-a-white-supremacist/
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John A. Macdonald 7
1st Prime Minister of Canada 1815–1891Related quotes
Source: The Curious Incident of the Dog in the Night-Time

“In philosophy the race is to the one who can run slowest—the one who crosses the finish line last.”
In Rennen der Philosophie gewinnt, wer am langsamsten laufen kann. Oder: der, der das Ziel zuletzt erreicht.
Source: Culture and Value (1980), p. 40e

“Two hands upon the breast,
And labour’s done;
Two pale feet crossed in rest,
The race is won.”
Now and Afterwards; there exists a similar Russian proverb: "Two hands upon the breast, and labour is past".

"Jerusalem", Ch. 20, p. 265
Report to Greco (1965)
Context: How can anyone have a true sense of the Hebrew race without crossing this terrifying desert, without experiencing it? For three interminable days we crossed it on our camels. Your throat sizzles from thirst, your head reels, your mind spins about as serpent-like you follow the sleek tortuous ravine. When a race is forged for two score years in this kiln, how can such a race die? I rejoiced at seeing the terrible stones where the Hebrews' virtues were born: their perseverance, will power, obstinacy, endurance, and above all, a God flesh of their flesh, flame of their flame, to whom they cried, "Feed us! Kill our enemies! Lead us to the Promised Land!"
To this desert the Jews owe their continued survival and the fact that by means of their virtues and vices they dominate the world. Today, in the unstable period of wrath, vengeance, and violence through which we are passing, the Jews are of necessity once again the chosen people of the terrible God of Exodus from the land of bondage.

His response to the annoying banality of an interviewer
Unsourced

2010s, The Deflation of the Academic Brand (2018)

“Aye, you white dog, you are like all your race; but to a black man gold can never pay for blood.”
A former chief of Abombi to Conan
"The Scarlet Citadel" (1933)