From Brainy Quotes:

The most certain way to succeed is always to try just one more time.

(Doing the same thing over and over again and expecting different results is not fanaticism, it’s quantum mechanics.)

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

(May not apply when digging for treasure in a mine field.)

Non-violence leads to the highest ethics, which is the goal of all evolution.

(Said the lion to the lamb.)

If we did all the things we are capable of, we would literally astound ourselves.

(Astounding ourselves isn’t always a good thing!)

To invent, you need a good imagination and a pile of junk.

(I’m halfway there!)

I never did a day’s work in my life. It was all fun.

(My career has been sidetracked.)

There is no substitute for hard work.

(Then there is no substitute for hard fun?)

Discontent is the first necessity of progress.

(Instant gratification is its own reward.)

I am proud of the fact that I never invented weapons to kill.

(Well, at least he never invented an electric chair big enough to fry more than one elephant at a time.)

Hell, there are no rules here – we’re trying to accomplish something.

(And I still say, WEAR EYE PROTECTION.)