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

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

One thing only has been lent to youth and age in common--discontent.

One thing only has been lent to youth and age in common--discontent.

Restlessness and discontent are the necessities of progress.

Restlessness and discontent are the necessities of progress.

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.

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.

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 discontented man finds no easy chair.

The discontented man finds no easy chair.

The greatest weariness comes from work not done.

The greatest weariness comes from work not done.

Discontent is the first necessity of progress.

Discontent is the first necessity of progress.