In the middle of every difficulty lies opportunity......Albert Einstein

I thought of it while riding my bike......Albert Einstein

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

When opportunity knocks open the door....Anonymous

Let your hook always be cast; in the pool where you least expect it, there will be a fish.....Ovid

Be ready when opportunity comes.
Luck is the time when preparation and opportunity meet......Roy D. Chapin Jr.

Opportunities are usually disguised as hard work, so most people don't recognize them.....Ann Landers

Many an opportunity is lost because a man is out looking for four-leaf clovers......Anonymous

If opportunity doesn't knock, build a door.......Milton Berle