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.

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 something that follows ambition like a shadow.

Discontent is something that follows ambition like a shadow.

The worlds best progrss springs.

The worlds best progrss springs.

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 seed of ethics

Discontent is the seed of ethics

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.