Falling in Love

The book as modern biology teaches us to believe, is nothing more than the latest, highest, and most involved exemplification, in the human race, of that almost universal selective process. In our own species, the selective process is marked by all the features common to selection throughout the whole animal kingdom; but it is also, as might be expected, far more specialized, far more individualized, far more cognizant of personal traits and minor peculiarities. What we all fall in love with, then, as a race, is in most cases efficiency and ability.