The laws of Nature take precedence of all human laws. The purpose of all human laws is one - to defeat the laws of Nature. This is the case among all the nations, both civilized and savage. It is a grotesquerie, but when the human race is not grotesque it is because it is asleep and losing its opportunity.
The only method compatible with our notions of civilization and the race is to prevent the breeding of the unfit by sterilization and the deliberate guidance of the mating instinct. [...] The trend of opinion among eugenists is that we must make marriage more difficult. Certainly no one who is not a desirable parent should be permitted to produce progeny.
For instance, take this sample: he has imagined a heaven, and has left entirely out of it the supremest of all his delights, the one ecstasy that stands first and foremost in the heart of every individual of his race - and of ours - sexual intercourse!It is as if a lost and perishing person in a roasting desert should be told by a rescuer he might choose and have all longed-for things but one, and he should elect to leave out water!
To reduce man to the duties of his own city, and to disengage him from duties to the members of other cities, is to break the universal society of the human race.
Two widely dissimilar races, whether equal or not, cannot peaceably coexist in the same territory until they are either uniformly mongrelised or cast in folkways of permanent and traditional personal aloofness.
Reviewers, with some rare exceptions, are a most stupid and malignant race. As a bankrupt thief turns thief-taker in despair, so an unsuccessful author turns critic.
Civilization is in a race between education and catastrophe. Let us learn the truth and spread it as far and wide as our circumstances allow. For the truth is the greatest weapon we have.
Chastity is a monkish and evangelical superstition, a greater foe to natural temperance even than unintellectual sensuality; it strikes at the root of all domestic happiness, and consigns more than half of the human race to misery.