“Some believe what separates men from animals is our ability to reason. Others say it’s language or romantic love, or opposable thumbs. Living here in this lost world, I’ve come to believe it is more than our biology. What truly makes us human is our unending search, our abiding desire for immortality.”
“Every species of animals naturally multiplies in proportion to the means of their subsistence, and no species can ever multiply be yond it. But in civilized society, it is only among the inferior ranks of people that the scantiness of subsistence can set limits to the further multiplication of the human species;”
“Every species of animals naturally multiplies in proportion to the means of their subsistence, and no species can ever multiply beyond it. But in civilised society it is only among the inferior ranks of people that the scantiness of subsistence can set limits to the further multiplication of the human species; and it can do so in no other way than by destroying a great part of the children which their fruitful marriages produce.”