Excellence is striving for what you are capable of. Perfection is striving for what you are not capable of.
Excellence means you can always get better no matter where you are on your journey. Perfection means you can no longer get better.
Striving for Excellence uplifts you and invites positive stress. Striving for Perfection causes a lot of negative stress and makes you feel limited.
Excellence makes you focus on what is working and do more of that. Perfection makes you focus on what is not working and you end up attracting more of that.
Excellence is always possible. Perfection is always impossible.
Striving for excellence is a worthy goal. Perfection is for people who are dead and cannot make mistakes anymore.