“You cannot hear opportunities knocking if you are busy knocking opportunities.” IfsOpportunityBusyKnockingOpportunity Knocking Author:Orrin Woodward
“Opportunity knocks once at every man's door and then keeps on knocking.” MenOpportunityDoorsEvery ManKnockingOpportunity KnocksOpportunity Knocking Book:Knocking the neighbors Source: Knocking the neighbors
“OPPORTUNITY is not "knocking." It is pounding on your door.” OpportunityDoorsKnocking Author:Tom Peters