persistence and perseverance

 

People have always known that "persistence and perseverance" are a key ingredient in a success.

Hence the old saying

"If at first you don't succeed, try, try again".

And recent psychological research has backed this up.
 
Studies of successful entrepreneurs show that the millionaires in this world possess a tremendous level of perseverance -
 
  " they stick at it not just when the going gets tough, but even when others tell them to stop ".