What does the quote mean?

Question

excellence is doing ordinary things extraordinarily well.

Answer 1

It means that excellence is not measured in what you do, it's how well you do it.

Answer 2

Don't know how to explain it but here's an example...

You can be excellent if you can make a math problem at a college level (while you're in a high school level) look easy like if it was a grammer school level...

Get it?...