If necessity is the mother of invention, discontent is the father of progress.

If necessity is the mother of invention, discontent is the father of progress.

Who with a little cannot be content, endures an everlasting punishment.

Who with a little cannot be content, endures an everlasting punishment.

Discontent is the first step in the progress of a man or a nation.

Discontent is the first step in the progress of a man or a nation.

The greatest weariness comes from work not done.

The greatest weariness comes from work not done.

Restlessness and discontent are the necessities of progress.

Restlessness and discontent are the necessities of progress.

Content makes poor men rich; Discontent makes rich men poor.

Content makes poor men rich; Discontent makes rich men poor.

Who is not satisfied with himself will grow; who is not sure of his own correctness will learn many things.

Who is not satisfied with himself will grow; who is not sure of his own correctness will learn many things.

I used to think I had ambition . . . but now I'm not so sure. It may have been read more

I used to think I had ambition . . . but now I'm not so sure. It may have been only discontent. They're easily confused.

The worlds best progrss springs.

The worlds best progrss springs.