(We) are seeking to assist the white race toward the elimination of the unfit (blacks).
Source, in full
Falsely attributed to "Birth Control and Racial Betterment", Birth Control Review, February 1919 , by Steve Deace, "Planned Parenthood: The next relic from our racist past that must be purged", Midwest Conservative (The Washington Times)
Notes from Wikiquote
Actual quote: "Like the advocates of Birth Control, the eugenicists, for instance, are seeking to assist the race toward the elimination of the unfit."