Failure is the condiment that gives success its flavor.

Success is only meaningful and enjoyable if it feels like your own.

Men judge us by the success of our efforts. God looks at the efforts themselves.

The power of fortune is confessed only by the miserable, for the happy impute all their success to prudence or merit.

I have always been pushed by the negative. The apparent failure of a play sends me back to my typewriter that very night, before the reviews are out. I am more compelled to get back to work than if I had a success.