Thomas Alva EdisonThinkers

Discontent is the first necessity of progress.

Improvement is always possible — There's a way to do it better. Find it.

An Inventor is one who tries to meet the demand of a crazy civilization.

Progress's first necessity is discontent.

Restless is discontent and discontent is the first necessity of progress.

The Rule is not for those of us who are trying to accomplish something.

Waiting is wise to practice actively — everything comes to him who hustles while he waits.