"I'm a great believer in luck and I find the harder I work the more I have of it.

I haven't failed. I've just found 10,000 ways that don't work.
I haven't failed. I've just found 10,000 ways that don't work.
I haven't failed. I've just found 10,000 ways that don't work.
I haven't failed. I've just found 10,000 ways that don't work.