Success is defined as the achievement of something desired, planned or attempted. Some see it as the gaining of fame or prosperity. "Success" is something that no two people would define the same way. Just as one person's trash is another person's treasure, one individual's success is another's failing. I find the differences we have in this area to be interesting. So much of our happiness depends on our having a healthy perspective. I once had a psychiatric evaluation in which the therapist who evaluated me felt I had a personality which was bordering on"delusions of grandeur," I saw this  as a compliment. I only wished that he had omitted the words "bordering on." I have always felt that being successful in life partially depended on my being able to think of myself as being grand. Enough of that and onto the quotes:

In order to succeed, your desire for success should be greater than your fear of failure.
— Bill Cosby
I don’t know the key to success, but the key to failure is trying to please everybody.
— Bill Cosby
Success is not final, failure is not fatal: it is the courage to continue that counts.
— Winston Churchill
Success consists of going from failure to failure without loss of enthusiasm.
— Winston Churchill
Action is the foundational key to all success.
— Pablo Picasso
All you need is ignorance and confidence and the success is sure.
— Mark Twain
Formal education will make you a living; self-education will make you a fortune.
— Jim Rohn
Success is to be measured not so much by the position that one has reached in life as by the obstacles which he has overcome.
— Booker T Washington
The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather a lack of will.
— Vince Lombardi
I’ve failed over and over and over again in my life and that is why I succeed.
— Michael Jordan
Think twice before you speak, because your words and influence will plant the seed of either success or failure in the mind of another.
— Napoleon Hill
If at first you don’t succeed, try, try again. Then quit. There’s no point in being a damn fool about it.
— W.C. Fields
Failure is success if we learn from it.
— Malcolm Forbes
To know even one life has breathed easier because you have lived. This is to have succeeded.
— Ralph Waldo Emerson
Defeat is not the worst of failures. Not to have tried is the true failure.
— George Edward Woodberry