It is in the very nature of things human that every act that has once made its appearance and has been recorded in the history of mankind stays with mankind as a potentiality long after its actuality has become a thing of the past. ↗
It was a natural process, because when we go to the ring we are human beings, but once you feel the punches and the competition that's when the beast comes out and takes hold of us. ↗
The moral virtues, then, are produced in us neither by nature nor against nature. Nature, indeed, prepares in us the ground for their reception, but their complete formation is the product of habit. ↗