People of mediocre ability sometimes achieve outstanding success because they don't know when to quit. Most men succeed because they are determined to.

George E. Allen

When I was young I observed that nine out of ten things I did were failures, so I did ten times more work.

George Bernard Shaw

We measure success and depth by length of time, but it is possible to have a deep relationship that doesn't always stay the same.

Barbara Hershey

The only honest measure of your success is what you are doing compared to your true potential.

Paul J. Meyer

The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you're in control of you life. If you don't, life controls you.

Anthony Robbins

Even if at first you do succeed, you still have to work hard to stay there.

Richard C Miller

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 while trying to succeed.

Booker T. Washington

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

Albert Schweitzer

Look at a day when you are supremely satisfied at the end. it's not a day when you lounge around doing nothing; it's when you've had everything to do and you've done it.

Margaret Thatcher

Production is not the application of tools to materials, but logic to work.

Peter F. Drucker

Recipe for success: Study while others are sleeping; work while others are loafing; prepare while others are playing; and dream while others are wishing.

William Arthur Ward

Keep in mind that neither success nor failure is ever final.

Roger W Babson

Striving for success without hard work is like trying to harvest where you haven't planted.

David Bly

Things turn out best for people who make the best of the way things turn out.