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

— Kyle Chandler

"Do not wait to strike till the iron is hot; but make it hot by striking."

— William Butler Yeats

"Opportunities don't happen, you create them."

— Chris Grosser

"The time for action is now. It's never too late to do something."

— Antoine de Saint-Exupéry

"In the middle of every difficulty lies opportunity."

— Albert Einstein

"The best time to plant a tree was 20 years ago. The second best time is now."

— Chinese Proverb

"Don't wait for opportunity, create it."

— George Bernard Shaw

"When one door of happiness closes, another opens; but often we look so long at the closed door that we do not see the one which has been opened for us."

— Helen Keller

"The only time you run out of chances is when you stop taking them."

— Unknown

"Luck is what happens when preparation meets opportunity."

— Seneca

"Change brings opportunity."

— Nido Qubein

"You only live once, but if you do it right, once is enough."

— Mae West

"You miss 100% of the shots you don't take."

— Wayne Gretzky

"If opportunity doesn't knock, build a door."

— Milton Berle