One form of perseverance is the daily discipline of trying to do things better than we did yesterday. So, - Angela Duckworth

Over time, we learn life lessons we don't forget, and we adapt in response to the growing demands of our circumstances. Eventually, new ways of thinking and acting become habitual. There comes a day when we can hardly remember our immature former selves. We've adapted, those adaptations have become durable, and, finally, our identity - the sort of person we see ourselves to be - has evolved. We've matured.

I'm not going to lie," he replied. "I never really enjoyed going to practice, and I certainly didn't enjoy it while I was there. In fact, there were brief moments, walking to the pool at four or four-thirty in the morning, or sometimes when I couldn't take the pain, when I'd think, 'God, is this worth it?' " "So why didn't you quit?" "It's very simple," Rowdy said. "It's because I loved swimming. . . . I had a passion for competing, for the result of training, for the feeling of being in shape, for winning, for traveling, for meeting friends. I hated practice, but I had an overall passion for swimming.

Without effort, your talent is nothing more than your unmet potential. Without effort, your skill is nothing more than what you could have done but didn't. With effort, talent becomes skill and, at the very same time, effort makes skill productive.