The secret of success is ...

The secret of success is constancy to purpose.
The secret of success is constancy to purpose.

More phrases

Being self-made is a state of mind, and once you put that mentality to work, your success will come.
 Dave East
A lot of people change for good. Some people just fall off. Just trying to progress in anything, no matter what you're doing, I feel like any progression you make... some people aren't gonna be around you that were around you.
 Dave East
There are no secrets to success. It is the result of preparation, hard work, and learning from failure.
Once you get the nod, your mentality totally changes. It's like a heavyweight fighter-you win the title and that's it, you don't want to look back and you don't want to change. That's the way I feel and I'm looking to keep the job.?
 Mark Sanchez
Inspirational leaders need to have a winning mentality in order to inspire respect. It is hard to trust in the leadership of someone who is half-hearted about their purpose, or only sporadic in focus or enthusiasm.
 Sebastian Coe

Quotes from the same author

Never complain and never explain.
We make our own fortunes and we call them fate.
Action may not always bring happiness; but there is no happiness without action.
One secret of success in life is for a man to be ready for his opportunity when it comes.
Never apologize for showing feelings. When you do so, you apologize for the truth.