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.

Restlessness and discontent are the necessities of progress.

Restlessness and discontent are the necessities of progress.

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.

Discontent is the first necessity of progress.

Discontent is the first necessity of progress.

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

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

The greatest weariness comes from work not done.

The greatest weariness comes from work not done.

The worlds best progrss springs.

The worlds best progrss springs.

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

That which makes people dissatisfied with their condition, is the chimerical idea they form of the happiness of others.

That which makes people dissatisfied with their condition, is the chimerical idea they form of the happiness of others.