Success is stumbling from failure to failure with no loss of enthusiasm.

Of course I would have preferred success; but failing in that, I have no regrets for having rejected all advice to the contrary, and resolutely made the struggle.

I have tried 99 times and have failed, but on the 100th time came success.

The greatest glory in living lies not in never falling, but in rising every time we fall.

Success is falling nine times and getting up ten.

The biggest failure of man is that he gives up before he realizes how close he was to success.