I believe we are all in constant evolution. We have to be a little better tomorrow than today, and a little better today than yesterday.
We will hardly be number one in something we do, but it's not impossible, it's hard. However, we will never be the last in something, as there will always be someone who knows less than we do in something, be it because of inexperience or age.
That's why we have to remain vigilant to always be learning.