Many of life’s failures are people who did not realize how close they were to success when they gave up

Remind You To Believe In Yourself

Don’t give up, because you’re probably much closer to success than you realize.

Many of life’s failures are people who did not realize how close they were to success when they gave up. - Thomas A. Edison

Source: http://www.lifehack.org/articles/communication/30-motivational-quotes-remind-you-believe-yourself.html