“The great secret of success in life is for a man to be ready when his opportunity comes.” -Benjamin Disraeli
“Small opportunities are often the beginning of great enterprises.” -Demosthenes
"The ladder of success is best climbed by stepping on the rungs of opportunity." -Ayn Rand
“Opportunity does knock at every door, but it's never been known to pick a lock." -Clarence "Big House" Gaines
“When opportunity knocks on the door, you better have your bags packed.” -advice to Denny Green from his grandmother