Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.

Thomas Alva Edison

Discontent is the first necessity of progress.

Relentlessness and discontent are the first necessities of progress.

I didn't fail 1000 times. The light bulb was an invention with 1000 steps.

They say President Wilson has blundered. Perhaps he has, but I notice he usually blunders forward.

Being negative is not how we make progress.

The best thermometer to the progress of a nation is its treatment of its women.

Dalai LamaSpiritual Leader

Elon MuskBusinessman