Many of life’s failures are people who did not realize how close they were to success when they gave up.
Sidenote: Thomas Edison tried 10,000 times to get the light bulb right. 10,000 times! If he can do it, then YOU can do it, too. Don’t give up. Just as you give up, the answer is right around the corner. Keep pushing and striving. If you don’t, somebody else will.