Don't worry about failures, worry about the chances you miss when you don't even try.

Jack Canfield

Perfection is not attainable, but if we chase perfection we can catch excellence.

Vince Lombardi

Opportunity is missed by most people because it is dressed in overalls and looks like work.

Thomas Edison

I think one of the most important attributes is perseverance.

David Rose

Far away there in the sunshine are my highest aspirations. I may not reach them but I can look up and see their beauty, believe in them, and try to follow them.

Louisa May Alcott

Making your mark on the world is hard. If it were easy, everybody would do it. But it's not. It takes patience, it takes commitment, and it comes with plenty of failure along the way.

Barack Obama