The first is possible to achieve, the second is probably not, but is a direction to aim for.
Perfection is admirable though inconceivable, because perfection is not an achievement.
It is a fact.
A diamond with a flaw exists perfectly as a diamond is meant to exist.
Our minds have trouble accepting this idea because we do not see the greater picture.
Excellence is simply a way of measuring human achievement.
What is perfection after all?
Just a concept set by our mind.