"The only thing that one really knows about human nature is that it changes."
The things we admire in men, kindness and generosity, openness, honesty, understanding and feeling, are the concomitants of failure in our system. And those traits we detest, sharpness, greed, acquisitiveness, meanness, egotism and self-interest, are the traits of success.
The only thing that is constant is change.
Interfaces keep things tidy, but don't accelerate growth: Functions do.