Earth Quote by Victoria Moran

OPPORTUNITY is not "knocking." It is pounding on your door.

— Tom Peters

Opportunity may knock only once but it passes by your door every day.

— Frank K. Sonnenberg

Some say opportunity knocks only once, that is not true. Opportunity knocks all the time, but you have to be ready for it. If…

— Louis L'Amour

Opportunity only knocks once

— Proverb

Opportunity only knocks so many times.

— Jill Ellis

Opportunity knocks only once. You never know if you'll get another opportunity.

— Leon Spinks

The opportunity knocks only once and does not wake up those that are asleep.

— Vikrant Parsai

Opportunity only gives you knockers once.

— Pamela Anderson

Opportunity never knocks twice at any man's door.

— Anonymous

“Opportunity knocks only once.”

— Abah Mohd Khairul Anuar

Opportunity knocks once at every man's door and then keeps on knocking.

— George Ade

Opportunity does not knock, it presents itself when you beat down the door.

— Kyle Chandler